281425368

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:461

約数の個数: 128

約数和(自身を含む): 831283200

約数和(自身を除く): 549857832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 56, 84, 86, 129, 163, 168, 172, 239, 258, 301, 326, 344, 478, 489, 516, 602, 652, 717, 903, 956, 978, 1032, 1141, 1204, 1304, 1434, 1673, 1806, 1912, 1956, 2282, 2408, 2868, 3346, 3423, 3612, 3912, 4564, 5019, 5736, 6692, 6846, 7009, 7224, 9128, 10038, 10277, 13384, 13692, 14018, 20076, 20554, 21027, 27384, 28036, 30831, 38957, 40152, 41108, 42054, 49063, 56072, 61662, 71939, 77914, 82216, 84108, 98126, 116871, 123324, 143878, 147189, 155828, 168216, 196252, 215817, 233742, 246648, 272699, 287756, 294378, 311656, 392504, 431634, 467484, 545398, 575512, 588756, 818097, 863268, 934968, 1090796, 1177512, 1636194, 1675151, 1726536, 2181592, 3272388, 3350302, 5025453, 6544776, 6700604, 10050906, 11726057, 13401208, 20101812, 23452114, 35178171, 40203624, 46904228, 70356342, 93808456, 140712684, 281425368]

約数ペア:

[(1, 281425368), (2, 140712684), (3, 93808456), (4, 70356342), (6, 46904228), (7, 40203624), (8, 35178171), (12, 23452114), (14, 20101812), (21, 13401208), (24, 11726057), (28, 10050906), (42, 6700604), (43, 6544776), (56, 5025453), (84, 3350302), (86, 3272388), (129, 2181592), (163, 1726536), (168, 1675151), (172, 1636194), (239, 1177512), (258, 1090796), (301, 934968), (326, 863268), (344, 818097), (478, 588756), (489, 575512), (516, 545398), (602, 467484), (652, 431634), (717, 392504), (903, 311656), (956, 294378), (978, 287756), (1032, 272699), (1141, 246648), (1204, 233742), (1304, 215817), (1434, 196252), (1673, 168216), (1806, 155828), (1912, 147189), (1956, 143878), (2282, 123324), (2408, 116871), (2868, 98126), (3346, 84108), (3423, 82216), (3612, 77914), (3912, 71939), (4564, 61662), (5019, 56072), (5736, 49063), (6692, 42054), (6846, 41108), (7009, 40152), (7224, 38957), (9128, 30831), (10038, 28036), (10277, 27384), (13384, 21027), (13692, 20554), (14018, 20076)]