30404738

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 61544448

約数和(自身を除く): 31139710

約数列:

[1, 2, 7, 13, 14, 17, 26, 31, 34, 62, 91, 119, 182, 217, 221, 238, 317, 403, 434, 442, 527, 634, 806, 1054, 1547, 2219, 2821, 3094, 3689, 4121, 4438, 5389, 5642, 6851, 7378, 8242, 9827, 10778, 13702, 19654, 28847, 37723, 47957, 57694, 68789, 70057, 75446, 95914, 127751, 137578, 140114, 167059, 255502, 334118, 490399, 894257, 980798, 1169413, 1788514, 2171767, 2338826, 4343534, 15202369, 30404738]

約数ペア:

[(1, 30404738), (2, 15202369), (7, 4343534), (13, 2338826), (14, 2171767), (17, 1788514), (26, 1169413), (31, 980798), (34, 894257), (62, 490399), (91, 334118), (119, 255502), (182, 167059), (217, 140114), (221, 137578), (238, 127751), (317, 95914), (403, 75446), (434, 70057), (442, 68789), (527, 57694), (634, 47957), (806, 37723), (1054, 28847), (1547, 19654), (2219, 13702), (2821, 10778), (3094, 9827), (3689, 8242), (4121, 7378), (4438, 6851), (5389, 5642)]