257076800

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:197

約数の個数: 168

約数和(自身を含む): 671242752

約数和(自身を除く): 414165952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 71, 73, 80, 100, 124, 142, 146, 155, 160, 200, 248, 284, 292, 310, 320, 355, 365, 400, 496, 568, 584, 620, 710, 730, 775, 800, 992, 1136, 1168, 1240, 1420, 1460, 1550, 1600, 1775, 1825, 1984, 2201, 2263, 2272, 2336, 2480, 2840, 2920, 3100, 3550, 3650, 4402, 4526, 4544, 4672, 4960, 5183, 5680, 5840, 6200, 7100, 7300, 8804, 9052, 9920, 10366, 11005, 11315, 11360, 11680, 12400, 14200, 14600, 17608, 18104, 20732, 22010, 22630, 22720, 23360, 24800, 25915, 28400, 29200, 35216, 36208, 41464, 44020, 45260, 49600, 51830, 55025, 56575, 56800, 58400, 70432, 72416, 82928, 88040, 90520, 103660, 110050, 113150, 113600, 116800, 129575, 140864, 144832, 160673, 165856, 176080, 181040, 207320, 220100, 226300, 259150, 321346, 331712, 352160, 362080, 414640, 440200, 452600, 518300, 642692, 704320, 724160, 803365, 829280, 880400, 905200, 1036600, 1285384, 1606730, 1658560, 1760800, 1810400, 2073200, 2570768, 3213460, 3521600, 3620800, 4016825, 4146400, 5141536, 6426920, 8033650, 8292800, 10283072, 12853840, 16067300, 25707680, 32134600, 51415360, 64269200, 128538400, 257076800]

約数ペア:

[(1, 257076800), (2, 128538400), (4, 64269200), (5, 51415360), (8, 32134600), (10, 25707680), (16, 16067300), (20, 12853840), (25, 10283072), (31, 8292800), (32, 8033650), (40, 6426920), (50, 5141536), (62, 4146400), (64, 4016825), (71, 3620800), (73, 3521600), (80, 3213460), (100, 2570768), (124, 2073200), (142, 1810400), (146, 1760800), (155, 1658560), (160, 1606730), (200, 1285384), (248, 1036600), (284, 905200), (292, 880400), (310, 829280), (320, 803365), (355, 724160), (365, 704320), (400, 642692), (496, 518300), (568, 452600), (584, 440200), (620, 414640), (710, 362080), (730, 352160), (775, 331712), (800, 321346), (992, 259150), (1136, 226300), (1168, 220100), (1240, 207320), (1420, 181040), (1460, 176080), (1550, 165856), (1600, 160673), (1775, 144832), (1825, 140864), (1984, 129575), (2201, 116800), (2263, 113600), (2272, 113150), (2336, 110050), (2480, 103660), (2840, 90520), (2920, 88040), (3100, 82928), (3550, 72416), (3650, 70432), (4402, 58400), (4526, 56800), (4544, 56575), (4672, 55025), (4960, 51830), (5183, 49600), (5680, 45260), (5840, 44020), (6200, 41464), (7100, 36208), (7300, 35216), (8804, 29200), (9052, 28400), (9920, 25915), (10366, 24800), (11005, 23360), (11315, 22720), (11360, 22630), (11680, 22010), (12400, 20732), (14200, 18104), (14600, 17608)]