985399480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61129}}^1$

素因数の和:61184

約数の個数: 64

約数和(自身を含む): 2464761600

約数和(自身を除く): 1479362120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 61129, 122258, 244516, 305645, 489032, 611290, 794677, 1222580, 1589354, 1894999, 2445160, 3178708, 3789998, 3973385, 6357416, 7579996, 7946770, 9474995, 15159992, 15893540, 18949990, 24634987, 31787080, 37899980, 49269974, 75799960, 98539948, 123174935, 197079896, 246349870, 492699740, 985399480]

約数ペア:

[(1, 985399480), (2, 492699740), (4, 246349870), (5, 197079896), (8, 123174935), (10, 98539948), (13, 75799960), (20, 49269974), (26, 37899980), (31, 31787080), (40, 24634987), (52, 18949990), (62, 15893540), (65, 15159992), (104, 9474995), (124, 7946770), (130, 7579996), (155, 6357416), (248, 3973385), (260, 3789998), (310, 3178708), (403, 2445160), (520, 1894999), (620, 1589354), (806, 1222580), (1240, 794677), (1612, 611290), (2015, 489032), (3224, 305645), (4030, 244516), (8060, 122258), (16120, 61129)]