197942940

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{241}}^1$

素因数の和:291

約数の個数: 216

約数和(自身を含む): 677044368

約数和(自身を除く): 479101428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 169, 180, 195, 234, 241, 243, 260, 270, 324, 338, 351, 390, 405, 468, 482, 486, 507, 540, 585, 676, 702, 723, 780, 810, 845, 964, 972, 1014, 1053, 1170, 1205, 1215, 1404, 1446, 1521, 1620, 1690, 1755, 2028, 2106, 2169, 2340, 2410, 2430, 2535, 2892, 3042, 3133, 3159, 3380, 3510, 3615, 4212, 4338, 4563, 4820, 4860, 5070, 5265, 6084, 6266, 6318, 6507, 7020, 7230, 7605, 8676, 9126, 9399, 10140, 10530, 10845, 12532, 12636, 13014, 13689, 14460, 15210, 15665, 15795, 18252, 18798, 19521, 21060, 21690, 22815, 26028, 27378, 28197, 30420, 31330, 31590, 32535, 37596, 39042, 40729, 41067, 43380, 45630, 46995, 54756, 56394, 58563, 62660, 63180, 65070, 68445, 78084, 81458, 82134, 84591, 91260, 93990, 97605, 112788, 117126, 122187, 130140, 136890, 140985, 162916, 164268, 169182, 187980, 195210, 203645, 205335, 234252, 244374, 253773, 273780, 281970, 292815, 338364, 366561, 390420, 407290, 410670, 422955, 488748, 507546, 563940, 585630, 610935, 733122, 761319, 814580, 821340, 845910, 1015092, 1099683, 1171260, 1221870, 1268865, 1466244, 1522638, 1691820, 1832805, 2199366, 2443740, 2537730, 3045276, 3299049, 3665610, 3806595, 4398732, 5075460, 5498415, 6598098, 7331220, 7613190, 9897147, 10996830, 13196196, 15226380, 16495245, 19794294, 21993660, 32990490, 39588588, 49485735, 65980980, 98971470, 197942940]

約数ペア:

[(1, 197942940), (2, 98971470), (3, 65980980), (4, 49485735), (5, 39588588), (6, 32990490), (9, 21993660), (10, 19794294), (12, 16495245), (13, 15226380), (15, 13196196), (18, 10996830), (20, 9897147), (26, 7613190), (27, 7331220), (30, 6598098), (36, 5498415), (39, 5075460), (45, 4398732), (52, 3806595), (54, 3665610), (60, 3299049), (65, 3045276), (78, 2537730), (81, 2443740), (90, 2199366), (108, 1832805), (117, 1691820), (130, 1522638), (135, 1466244), (156, 1268865), (162, 1221870), (169, 1171260), (180, 1099683), (195, 1015092), (234, 845910), (241, 821340), (243, 814580), (260, 761319), (270, 733122), (324, 610935), (338, 585630), (351, 563940), (390, 507546), (405, 488748), (468, 422955), (482, 410670), (486, 407290), (507, 390420), (540, 366561), (585, 338364), (676, 292815), (702, 281970), (723, 273780), (780, 253773), (810, 244374), (845, 234252), (964, 205335), (972, 203645), (1014, 195210), (1053, 187980), (1170, 169182), (1205, 164268), (1215, 162916), (1404, 140985), (1446, 136890), (1521, 130140), (1620, 122187), (1690, 117126), (1755, 112788), (2028, 97605), (2106, 93990), (2169, 91260), (2340, 84591), (2410, 82134), (2430, 81458), (2535, 78084), (2892, 68445), (3042, 65070), (3133, 63180), (3159, 62660), (3380, 58563), (3510, 56394), (3615, 54756), (4212, 46995), (4338, 45630), (4563, 43380), (4820, 41067), (4860, 40729), (5070, 39042), (5265, 37596), (6084, 32535), (6266, 31590), (6318, 31330), (6507, 30420), (7020, 28197), (7230, 27378), (7605, 26028), (8676, 22815), (9126, 21690), (9399, 21060), (10140, 19521), (10530, 18798), (10845, 18252), (12532, 15795), (12636, 15665), (13014, 15210), (13689, 14460)]