30828260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2617}}^1$

素因数の和:2676

約数の個数: 48

約数和(自身を含む): 70371840

約数和(自身を除く): 39543580

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2617, 2945, 5234, 5890, 10468, 11780, 13085, 26170, 49723, 52340, 81127, 99446, 162254, 198892, 248615, 324508, 405635, 497230, 811270, 994460, 1541413, 1622540, 3082826, 6165652, 7707065, 15414130, 30828260]

約数ペア:

[(1, 30828260), (2, 15414130), (4, 7707065), (5, 6165652), (10, 3082826), (19, 1622540), (20, 1541413), (31, 994460), (38, 811270), (62, 497230), (76, 405635), (95, 324508), (124, 248615), (155, 198892), (190, 162254), (310, 99446), (380, 81127), (589, 52340), (620, 49723), (1178, 26170), (2356, 13085), (2617, 11780), (2945, 10468), (5234, 5890)]