11903380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 26256384

約数和(自身を除く): 14353004

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 73, 124, 146, 155, 263, 292, 310, 365, 526, 620, 730, 1052, 1315, 1460, 2263, 2630, 4526, 5260, 8153, 9052, 11315, 16306, 19199, 22630, 32612, 38398, 40765, 45260, 76796, 81530, 95995, 163060, 191990, 383980, 595169, 1190338, 2380676, 2975845, 5951690, 11903380]

約数ペア:

[(1, 11903380), (2, 5951690), (4, 2975845), (5, 2380676), (10, 1190338), (20, 595169), (31, 383980), (62, 191990), (73, 163060), (124, 95995), (146, 81530), (155, 76796), (263, 45260), (292, 40765), (310, 38398), (365, 32612), (526, 22630), (620, 19199), (730, 16306), (1052, 11315), (1315, 9052), (1460, 8153), (2263, 5260), (2630, 4526)]