72804670

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{457}}^1$

素因数の和:732

約数の個数: 32

約数和(自身を含む): 133552800

約数和(自身を除く): 60748130

約数列:

[1, 2, 5, 10, 89, 178, 179, 358, 445, 457, 890, 895, 914, 1790, 2285, 4570, 15931, 31862, 40673, 79655, 81346, 81803, 159310, 163606, 203365, 406730, 409015, 818030, 7280467, 14560934, 36402335, 72804670]

約数ペア:

[(1, 72804670), (2, 36402335), (5, 14560934), (10, 7280467), (89, 818030), (178, 409015), (179, 406730), (358, 203365), (445, 163606), (457, 159310), (890, 81803), (895, 81346), (914, 79655), (1790, 40673), (2285, 31862), (4570, 15931)]