666506800

素因数分解:

$2^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:431

約数の個数: 120

約数和(自身を含む): 1650229200

約数和(自身を除く): 983722400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 149, 200, 211, 212, 265, 298, 400, 422, 424, 530, 596, 745, 844, 848, 1055, 1060, 1192, 1325, 1490, 1688, 2110, 2120, 2384, 2650, 2980, 3376, 3725, 4220, 4240, 5275, 5300, 5960, 7450, 7897, 8440, 10550, 10600, 11183, 11920, 14900, 15794, 16880, 21100, 21200, 22366, 29800, 31439, 31588, 39485, 42200, 44732, 55915, 59600, 62878, 63176, 78970, 84400, 89464, 111830, 125756, 126352, 157195, 157940, 178928, 197425, 223660, 251512, 279575, 314390, 315880, 394850, 447320, 503024, 559150, 628780, 631760, 785975, 789700, 894640, 1118300, 1257560, 1571950, 1579400, 1666267, 2236600, 2515120, 3143900, 3158800, 3332534, 4473200, 6287800, 6665068, 8331335, 12575600, 13330136, 16662670, 26660272, 33325340, 41656675, 66650680, 83313350, 133301360, 166626700, 333253400, 666506800]

約数ペア:

[(1, 666506800), (2, 333253400), (4, 166626700), (5, 133301360), (8, 83313350), (10, 66650680), (16, 41656675), (20, 33325340), (25, 26660272), (40, 16662670), (50, 13330136), (53, 12575600), (80, 8331335), (100, 6665068), (106, 6287800), (149, 4473200), (200, 3332534), (211, 3158800), (212, 3143900), (265, 2515120), (298, 2236600), (400, 1666267), (422, 1579400), (424, 1571950), (530, 1257560), (596, 1118300), (745, 894640), (844, 789700), (848, 785975), (1055, 631760), (1060, 628780), (1192, 559150), (1325, 503024), (1490, 447320), (1688, 394850), (2110, 315880), (2120, 314390), (2384, 279575), (2650, 251512), (2980, 223660), (3376, 197425), (3725, 178928), (4220, 157940), (4240, 157195), (5275, 126352), (5300, 125756), (5960, 111830), (7450, 89464), (7897, 84400), (8440, 78970), (10550, 63176), (10600, 62878), (11183, 59600), (11920, 55915), (14900, 44732), (15794, 42200), (16880, 39485), (21100, 31588), (21200, 31439), (22366, 29800)]