209802530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{571}}^1$

素因数の和:795

約数の個数: 64

約数和(自身を含む): 449729280

約数和(自身を除く): 239926750

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 181, 203, 290, 362, 406, 571, 905, 1015, 1142, 1267, 1810, 2030, 2534, 2855, 3997, 5249, 5710, 6335, 7994, 10498, 12670, 16559, 19985, 26245, 33118, 36743, 39970, 52490, 73486, 82795, 103351, 115913, 165590, 183715, 206702, 231826, 367430, 516755, 579565, 723457, 1033510, 1159130, 1446914, 2997179, 3617285, 5994358, 7234570, 14985895, 20980253, 29971790, 41960506, 104901265, 209802530]

約数ペア:

[(1, 209802530), (2, 104901265), (5, 41960506), (7, 29971790), (10, 20980253), (14, 14985895), (29, 7234570), (35, 5994358), (58, 3617285), (70, 2997179), (145, 1446914), (181, 1159130), (203, 1033510), (290, 723457), (362, 579565), (406, 516755), (571, 367430), (905, 231826), (1015, 206702), (1142, 183715), (1267, 165590), (1810, 115913), (2030, 103351), (2534, 82795), (2855, 73486), (3997, 52490), (5249, 39970), (5710, 36743), (6335, 33118), (7994, 26245), (10498, 19985), (12670, 16559)]