439988830480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{900583}}^1$

素因数の和:900824

約数の個数: 80

約数和(自身を含む): 1061334641664

約数和(自身を除く): 621345811184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 197, 248, 310, 394, 496, 620, 788, 985, 1240, 1576, 1970, 2480, 3152, 3940, 6107, 7880, 12214, 15760, 24428, 30535, 48856, 61070, 97712, 122140, 244280, 488560, 900583, 1801166, 3602332, 4502915, 7204664, 9005830, 14409328, 18011660, 27918073, 36023320, 55836146, 72046640, 111672292, 139590365, 177414851, 223344584, 279180730, 354829702, 446689168, 558361460, 709659404, 887074255, 1116722920, 1419318808, 1774148510, 2233445840, 2838637616, 3548297020, 5499860381, 7096594040, 10999720762, 14193188080, 21999441524, 27499301905, 43998883048, 54998603810, 87997766096, 109997207620, 219994415240, 439988830480]

約数ペア:

[(1, 439988830480), (2, 219994415240), (4, 109997207620), (5, 87997766096), (8, 54998603810), (10, 43998883048), (16, 27499301905), (20, 21999441524), (31, 14193188080), (40, 10999720762), (62, 7096594040), (80, 5499860381), (124, 3548297020), (155, 2838637616), (197, 2233445840), (248, 1774148510), (310, 1419318808), (394, 1116722920), (496, 887074255), (620, 709659404), (788, 558361460), (985, 446689168), (1240, 354829702), (1576, 279180730), (1970, 223344584), (2480, 177414851), (3152, 139590365), (3940, 111672292), (6107, 72046640), (7880, 55836146), (12214, 36023320), (15760, 27918073), (24428, 18011660), (30535, 14409328), (48856, 9005830), (61070, 7204664), (97712, 4502915), (122140, 3602332), (244280, 1801166), (488560, 900583)]