28499400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:316

約数の個数: 144

約数和(自身を含む): 97493760

約数和(自身を除く): 68994360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 71, 72, 75, 90, 100, 120, 142, 150, 180, 200, 213, 223, 225, 284, 300, 355, 360, 426, 446, 450, 568, 600, 639, 669, 710, 852, 892, 900, 1065, 1115, 1278, 1338, 1420, 1704, 1775, 1784, 1800, 2007, 2130, 2230, 2556, 2676, 2840, 3195, 3345, 3550, 4014, 4260, 4460, 5112, 5325, 5352, 5575, 6390, 6690, 7100, 8028, 8520, 8920, 10035, 10650, 11150, 12780, 13380, 14200, 15833, 15975, 16056, 16725, 20070, 21300, 22300, 25560, 26760, 31666, 31950, 33450, 40140, 42600, 44600, 47499, 50175, 63332, 63900, 66900, 79165, 80280, 94998, 100350, 126664, 127800, 133800, 142497, 158330, 189996, 200700, 237495, 284994, 316660, 379992, 395825, 401400, 474990, 569988, 633320, 712485, 791650, 949980, 1139976, 1187475, 1424970, 1583300, 1899960, 2374950, 2849940, 3166600, 3562425, 4749900, 5699880, 7124850, 9499800, 14249700, 28499400]

約数ペア:

[(1, 28499400), (2, 14249700), (3, 9499800), (4, 7124850), (5, 5699880), (6, 4749900), (8, 3562425), (9, 3166600), (10, 2849940), (12, 2374950), (15, 1899960), (18, 1583300), (20, 1424970), (24, 1187475), (25, 1139976), (30, 949980), (36, 791650), (40, 712485), (45, 633320), (50, 569988), (60, 474990), (71, 401400), (72, 395825), (75, 379992), (90, 316660), (100, 284994), (120, 237495), (142, 200700), (150, 189996), (180, 158330), (200, 142497), (213, 133800), (223, 127800), (225, 126664), (284, 100350), (300, 94998), (355, 80280), (360, 79165), (426, 66900), (446, 63900), (450, 63332), (568, 50175), (600, 47499), (639, 44600), (669, 42600), (710, 40140), (852, 33450), (892, 31950), (900, 31666), (1065, 26760), (1115, 25560), (1278, 22300), (1338, 21300), (1420, 20070), (1704, 16725), (1775, 16056), (1784, 15975), (1800, 15833), (2007, 14200), (2130, 13380), (2230, 12780), (2556, 11150), (2676, 10650), (2840, 10035), (3195, 8920), (3345, 8520), (3550, 8028), (4014, 7100), (4260, 6690), (4460, 6390), (5112, 5575), (5325, 5352)]