1985642800

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{503}}^1$

素因数の和:731

約数の個数: 120

約数和(自身を含む): 4882187520

約数和(自身を除く): 2896544720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 139, 142, 200, 278, 284, 355, 400, 503, 556, 568, 695, 710, 1006, 1112, 1136, 1390, 1420, 1775, 2012, 2224, 2515, 2780, 2840, 3475, 3550, 4024, 5030, 5560, 5680, 6950, 7100, 8048, 9869, 10060, 11120, 12575, 13900, 14200, 19738, 20120, 25150, 27800, 28400, 35713, 39476, 40240, 49345, 50300, 55600, 69917, 71426, 78952, 98690, 100600, 139834, 142852, 157904, 178565, 197380, 201200, 246725, 279668, 285704, 349585, 357130, 394760, 493450, 559336, 571408, 699170, 714260, 789520, 892825, 986900, 1118672, 1398340, 1428520, 1747925, 1785650, 1973800, 2796680, 2857040, 3495850, 3571300, 3947600, 4964107, 5593360, 6991700, 7142600, 9928214, 13983400, 14285200, 19856428, 24820535, 27966800, 39712856, 49641070, 79425712, 99282140, 124102675, 198564280, 248205350, 397128560, 496410700, 992821400, 1985642800]

約数ペア:

[(1, 1985642800), (2, 992821400), (4, 496410700), (5, 397128560), (8, 248205350), (10, 198564280), (16, 124102675), (20, 99282140), (25, 79425712), (40, 49641070), (50, 39712856), (71, 27966800), (80, 24820535), (100, 19856428), (139, 14285200), (142, 13983400), (200, 9928214), (278, 7142600), (284, 6991700), (355, 5593360), (400, 4964107), (503, 3947600), (556, 3571300), (568, 3495850), (695, 2857040), (710, 2796680), (1006, 1973800), (1112, 1785650), (1136, 1747925), (1390, 1428520), (1420, 1398340), (1775, 1118672), (2012, 986900), (2224, 892825), (2515, 789520), (2780, 714260), (2840, 699170), (3475, 571408), (3550, 559336), (4024, 493450), (5030, 394760), (5560, 357130), (5680, 349585), (6950, 285704), (7100, 279668), (8048, 246725), (9869, 201200), (10060, 197380), (11120, 178565), (12575, 157904), (13900, 142852), (14200, 139834), (19738, 100600), (20120, 98690), (25150, 78952), (27800, 71426), (28400, 69917), (35713, 55600), (39476, 50300), (40240, 49345)]