138766460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{16249}}^1$

素因数の和:16326

約数の個数: 48

約数和(自身を含む): 338520000

約数和(自身を除く): 199753540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 16249, 32498, 64996, 81245, 113743, 162490, 227486, 324980, 454972, 568715, 991189, 1137430, 1982378, 2274860, 3964756, 4955945, 6938323, 9911890, 13876646, 19823780, 27753292, 34691615, 69383230, 138766460]

約数ペア:

[(1, 138766460), (2, 69383230), (4, 34691615), (5, 27753292), (7, 19823780), (10, 13876646), (14, 9911890), (20, 6938323), (28, 4955945), (35, 3964756), (61, 2274860), (70, 1982378), (122, 1137430), (140, 991189), (244, 568715), (305, 454972), (427, 324980), (610, 227486), (854, 162490), (1220, 113743), (1708, 81245), (2135, 64996), (4270, 32498), (8540, 16249)]