127974980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{3163}}^1$

素因数の和:3213

約数の個数: 72

約数和(自身を含む): 326372928

約数和(自身を除く): 198397948

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 289, 340, 476, 578, 595, 1156, 1190, 1445, 2023, 2380, 2890, 3163, 4046, 5780, 6326, 8092, 10115, 12652, 15815, 20230, 22141, 31630, 40460, 44282, 53771, 63260, 88564, 107542, 110705, 215084, 221410, 268855, 376397, 442820, 537710, 752794, 914107, 1075420, 1505588, 1828214, 1881985, 3656428, 3763970, 4570535, 6398749, 7527940, 9141070, 12797498, 18282140, 25594996, 31993745, 63987490, 127974980]

約数ペア:

[(1, 127974980), (2, 63987490), (4, 31993745), (5, 25594996), (7, 18282140), (10, 12797498), (14, 9141070), (17, 7527940), (20, 6398749), (28, 4570535), (34, 3763970), (35, 3656428), (68, 1881985), (70, 1828214), (85, 1505588), (119, 1075420), (140, 914107), (170, 752794), (238, 537710), (289, 442820), (340, 376397), (476, 268855), (578, 221410), (595, 215084), (1156, 110705), (1190, 107542), (1445, 88564), (2023, 63260), (2380, 53771), (2890, 44282), (3163, 40460), (4046, 31630), (5780, 22141), (6326, 20230), (8092, 15815), (10115, 12652)]