2802135880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{11471}}^1$

素因数の和:11710

約数の個数: 64

約数和(自身を含む): 6541793280

約数和(自身を除く): 3739657400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 197, 248, 310, 394, 620, 788, 985, 1240, 1576, 1970, 3940, 6107, 7880, 11471, 12214, 22942, 24428, 30535, 45884, 48856, 57355, 61070, 91768, 114710, 122140, 229420, 244280, 355601, 458840, 711202, 1422404, 1778005, 2259787, 2844808, 3556010, 4519574, 7112020, 9039148, 11298935, 14224040, 18078296, 22597870, 45195740, 70053397, 90391480, 140106794, 280213588, 350266985, 560427176, 700533970, 1401067940, 2802135880]

約数ペア:

[(1, 2802135880), (2, 1401067940), (4, 700533970), (5, 560427176), (8, 350266985), (10, 280213588), (20, 140106794), (31, 90391480), (40, 70053397), (62, 45195740), (124, 22597870), (155, 18078296), (197, 14224040), (248, 11298935), (310, 9039148), (394, 7112020), (620, 4519574), (788, 3556010), (985, 2844808), (1240, 2259787), (1576, 1778005), (1970, 1422404), (3940, 711202), (6107, 458840), (7880, 355601), (11471, 244280), (12214, 229420), (22942, 122140), (24428, 114710), (30535, 91768), (45884, 61070), (48856, 57355)]