252193840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1999}}^1$

素因数の和:2114

約数の個数: 80

約数和(自身を含む): 624960000

約数和(自身を除く): 372766160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 83, 95, 152, 166, 190, 304, 332, 380, 415, 664, 760, 830, 1328, 1520, 1577, 1660, 1999, 3154, 3320, 3998, 6308, 6640, 7885, 7996, 9995, 12616, 15770, 15992, 19990, 25232, 31540, 31984, 37981, 39980, 63080, 75962, 79960, 126160, 151924, 159920, 165917, 189905, 303848, 331834, 379810, 607696, 663668, 759620, 829585, 1327336, 1519240, 1659170, 2654672, 3038480, 3152423, 3318340, 6304846, 6636680, 12609692, 13273360, 15762115, 25219384, 31524230, 50438768, 63048460, 126096920, 252193840]

約数ペア:

[(1, 252193840), (2, 126096920), (4, 63048460), (5, 50438768), (8, 31524230), (10, 25219384), (16, 15762115), (19, 13273360), (20, 12609692), (38, 6636680), (40, 6304846), (76, 3318340), (80, 3152423), (83, 3038480), (95, 2654672), (152, 1659170), (166, 1519240), (190, 1327336), (304, 829585), (332, 759620), (380, 663668), (415, 607696), (664, 379810), (760, 331834), (830, 303848), (1328, 189905), (1520, 165917), (1577, 159920), (1660, 151924), (1999, 126160), (3154, 79960), (3320, 75962), (3998, 63080), (6308, 39980), (6640, 37981), (7885, 31984), (7996, 31540), (9995, 25232), (12616, 19990), (15770, 15992)]