197848980

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:340

約数の個数: 240

約数和(自身を含む): 722050560

約数和(自身を除く): 524201580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 73, 81, 84, 90, 105, 108, 126, 135, 140, 146, 162, 180, 189, 210, 219, 239, 252, 270, 292, 315, 324, 365, 378, 405, 420, 438, 478, 511, 540, 567, 630, 657, 717, 730, 756, 810, 876, 945, 956, 1022, 1095, 1134, 1195, 1260, 1314, 1434, 1460, 1533, 1620, 1673, 1890, 1971, 2044, 2151, 2190, 2268, 2390, 2555, 2628, 2835, 2868, 3066, 3285, 3346, 3585, 3780, 3942, 4302, 4380, 4599, 4780, 5019, 5110, 5670, 5913, 6132, 6453, 6570, 6692, 7170, 7665, 7884, 8365, 8604, 9198, 9855, 10038, 10220, 10755, 11340, 11826, 12906, 13140, 13797, 14340, 15057, 15330, 16730, 17447, 18396, 19359, 19710, 20076, 21510, 22995, 23652, 25095, 25812, 27594, 29565, 30114, 30660, 32265, 33460, 34894, 38718, 39420, 41391, 43020, 45171, 45990, 50190, 52341, 55188, 59130, 60228, 64530, 68985, 69788, 75285, 77436, 82782, 87235, 90342, 91980, 96795, 100380, 104682, 118260, 122129, 129060, 135513, 137970, 150570, 157023, 165564, 174470, 180684, 193590, 206955, 209364, 225855, 244258, 261705, 271026, 275940, 301140, 314046, 348940, 366387, 387180, 413910, 451710, 471069, 488516, 523410, 542052, 610645, 628092, 677565, 732774, 785115, 827820, 903420, 942138, 1046820, 1099161, 1221290, 1355130, 1413207, 1465548, 1570230, 1831935, 1884276, 2198322, 2355345, 2442580, 2710260, 2826414, 3140460, 3297483, 3663870, 4396644, 4710690, 5495805, 5652828, 6594966, 7066035, 7327740, 9421380, 9892449, 10991610, 13189932, 14132070, 16487415, 19784898, 21983220, 28264140, 32974830, 39569796, 49462245, 65949660, 98924490, 197848980]

約数ペア:

[(1, 197848980), (2, 98924490), (3, 65949660), (4, 49462245), (5, 39569796), (6, 32974830), (7, 28264140), (9, 21983220), (10, 19784898), (12, 16487415), (14, 14132070), (15, 13189932), (18, 10991610), (20, 9892449), (21, 9421380), (27, 7327740), (28, 7066035), (30, 6594966), (35, 5652828), (36, 5495805), (42, 4710690), (45, 4396644), (54, 3663870), (60, 3297483), (63, 3140460), (70, 2826414), (73, 2710260), (81, 2442580), (84, 2355345), (90, 2198322), (105, 1884276), (108, 1831935), (126, 1570230), (135, 1465548), (140, 1413207), (146, 1355130), (162, 1221290), (180, 1099161), (189, 1046820), (210, 942138), (219, 903420), (239, 827820), (252, 785115), (270, 732774), (292, 677565), (315, 628092), (324, 610645), (365, 542052), (378, 523410), (405, 488516), (420, 471069), (438, 451710), (478, 413910), (511, 387180), (540, 366387), (567, 348940), (630, 314046), (657, 301140), (717, 275940), (730, 271026), (756, 261705), (810, 244258), (876, 225855), (945, 209364), (956, 206955), (1022, 193590), (1095, 180684), (1134, 174470), (1195, 165564), (1260, 157023), (1314, 150570), (1434, 137970), (1460, 135513), (1533, 129060), (1620, 122129), (1673, 118260), (1890, 104682), (1971, 100380), (2044, 96795), (2151, 91980), (2190, 90342), (2268, 87235), (2390, 82782), (2555, 77436), (2628, 75285), (2835, 69788), (2868, 68985), (3066, 64530), (3285, 60228), (3346, 59130), (3585, 55188), (3780, 52341), (3942, 50190), (4302, 45990), (4380, 45171), (4599, 43020), (4780, 41391), (5019, 39420), (5110, 38718), (5670, 34894), (5913, 33460), (6132, 32265), (6453, 30660), (6570, 30114), (6692, 29565), (7170, 27594), (7665, 25812), (7884, 25095), (8365, 23652), (8604, 22995), (9198, 21510), (9855, 20076), (10038, 19710), (10220, 19359), (10755, 18396), (11340, 17447), (11826, 16730), (12906, 15330), (13140, 15057), (13797, 14340)]