418664450

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{1277}}^1$

素因数の和:1451

約数の個数: 48

約数和(自身を含む): 798698880

約数和(自身を除く): 380034430

約数列:

[1, 2, 5, 10, 25, 50, 79, 83, 158, 166, 395, 415, 790, 830, 1277, 1975, 2075, 2554, 3950, 4150, 6385, 6557, 12770, 13114, 31925, 32785, 63850, 65570, 100883, 105991, 163925, 201766, 211982, 327850, 504415, 529955, 1008830, 1059910, 2522075, 2649775, 5044150, 5299550, 8373289, 16746578, 41866445, 83732890, 209332225, 418664450]

約数ペア:

[(1, 418664450), (2, 209332225), (5, 83732890), (10, 41866445), (25, 16746578), (50, 8373289), (79, 5299550), (83, 5044150), (158, 2649775), (166, 2522075), (395, 1059910), (415, 1008830), (790, 529955), (830, 504415), (1277, 327850), (1975, 211982), (2075, 201766), (2554, 163925), (3950, 105991), (4150, 100883), (6385, 65570), (6557, 63850), (12770, 32785), (13114, 31925)]