258775600

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{509}}^1$

素因数の和:599

約数の個数: 120

約数和(自身を含む): 658707840

約数和(自身を除く): 399932240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 41, 50, 62, 80, 82, 100, 124, 155, 164, 200, 205, 248, 310, 328, 400, 410, 496, 509, 620, 656, 775, 820, 1018, 1025, 1240, 1271, 1550, 1640, 2036, 2050, 2480, 2542, 2545, 3100, 3280, 4072, 4100, 5084, 5090, 6200, 6355, 8144, 8200, 10168, 10180, 12400, 12710, 12725, 15779, 16400, 20336, 20360, 20869, 25420, 25450, 31558, 31775, 40720, 41738, 50840, 50900, 63116, 63550, 78895, 83476, 101680, 101800, 104345, 126232, 127100, 157790, 166952, 203600, 208690, 252464, 254200, 315580, 333904, 394475, 417380, 508400, 521725, 631160, 646939, 788950, 834760, 1043450, 1262320, 1293878, 1577900, 1669520, 2086900, 2587756, 3155800, 3234695, 4173800, 5175512, 6311600, 6469390, 8347600, 10351024, 12938780, 16173475, 25877560, 32346950, 51755120, 64693900, 129387800, 258775600]

約数ペア:

[(1, 258775600), (2, 129387800), (4, 64693900), (5, 51755120), (8, 32346950), (10, 25877560), (16, 16173475), (20, 12938780), (25, 10351024), (31, 8347600), (40, 6469390), (41, 6311600), (50, 5175512), (62, 4173800), (80, 3234695), (82, 3155800), (100, 2587756), (124, 2086900), (155, 1669520), (164, 1577900), (200, 1293878), (205, 1262320), (248, 1043450), (310, 834760), (328, 788950), (400, 646939), (410, 631160), (496, 521725), (509, 508400), (620, 417380), (656, 394475), (775, 333904), (820, 315580), (1018, 254200), (1025, 252464), (1240, 208690), (1271, 203600), (1550, 166952), (1640, 157790), (2036, 127100), (2050, 126232), (2480, 104345), (2542, 101800), (2545, 101680), (3100, 83476), (3280, 78895), (4072, 63550), (4100, 63116), (5084, 50900), (5090, 50840), (6200, 41738), (6355, 40720), (8144, 31775), (8200, 31558), (10168, 25450), (10180, 25420), (12400, 20869), (12710, 20360), (12725, 20336), (15779, 16400)]