279969340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{12421}}^1$

素因数の和:12467

約数の個数: 72

約数和(自身を含む): 713718432

約数和(自身を除く): 433749092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 4508, 5635, 11270, 12421, 22540, 24842, 49684, 62105, 86947, 124210, 173894, 248420, 285683, 347788, 434735, 571366, 608629, 869470, 1142732, 1217258, 1428415, 1738940, 1999781, 2434516, 2856830, 3043145, 3999562, 5713660, 6086290, 7999124, 9998905, 12172580, 13998467, 19997810, 27996934, 39995620, 55993868, 69992335, 139984670, 279969340]

約数ペア:

[(1, 279969340), (2, 139984670), (4, 69992335), (5, 55993868), (7, 39995620), (10, 27996934), (14, 19997810), (20, 13998467), (23, 12172580), (28, 9998905), (35, 7999124), (46, 6086290), (49, 5713660), (70, 3999562), (92, 3043145), (98, 2856830), (115, 2434516), (140, 1999781), (161, 1738940), (196, 1428415), (230, 1217258), (245, 1142732), (322, 869470), (460, 608629), (490, 571366), (644, 434735), (805, 347788), (980, 285683), (1127, 248420), (1610, 173894), (2254, 124210), (3220, 86947), (4508, 62105), (5635, 49684), (11270, 24842), (12421, 22540)]