29423960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 69638400

約数和(自身を除く): 40214440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 389, 488, 610, 620, 778, 1220, 1240, 1556, 1891, 1945, 2440, 3112, 3782, 3890, 7564, 7780, 9455, 12059, 15128, 15560, 18910, 23729, 24118, 37820, 47458, 48236, 60295, 75640, 94916, 96472, 118645, 120590, 189832, 237290, 241180, 474580, 482360, 735599, 949160, 1471198, 2942396, 3677995, 5884792, 7355990, 14711980, 29423960]

約数ペア:

[(1, 29423960), (2, 14711980), (4, 7355990), (5, 5884792), (8, 3677995), (10, 2942396), (20, 1471198), (31, 949160), (40, 735599), (61, 482360), (62, 474580), (122, 241180), (124, 237290), (155, 189832), (244, 120590), (248, 118645), (305, 96472), (310, 94916), (389, 75640), (488, 60295), (610, 48236), (620, 47458), (778, 37820), (1220, 24118), (1240, 23729), (1556, 18910), (1891, 15560), (1945, 15128), (2440, 12059), (3112, 9455), (3782, 7780), (3890, 7564)]