351567140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 810311040

約数和(自身を除く): 458743900

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 139, 170, 172, 173, 215, 278, 340, 346, 430, 556, 692, 695, 731, 860, 865, 1390, 1462, 1730, 2363, 2780, 2924, 2941, 3460, 3655, 4726, 5882, 5977, 7310, 7439, 9452, 11764, 11815, 11954, 14620, 14705, 14878, 23630, 23908, 24047, 29410, 29756, 29885, 37195, 47260, 48094, 58820, 59770, 74390, 96188, 101609, 119540, 120235, 126463, 148780, 203218, 240470, 252926, 406436, 408799, 480940, 505852, 508045, 632315, 817598, 1016090, 1034021, 1264630, 1635196, 2032180, 2043995, 2068042, 2529260, 4087990, 4136084, 5170105, 8175980, 10340210, 17578357, 20680420, 35156714, 70313428, 87891785, 175783570, 351567140]

約数ペア:

[(1, 351567140), (2, 175783570), (4, 87891785), (5, 70313428), (10, 35156714), (17, 20680420), (20, 17578357), (34, 10340210), (43, 8175980), (68, 5170105), (85, 4136084), (86, 4087990), (139, 2529260), (170, 2068042), (172, 2043995), (173, 2032180), (215, 1635196), (278, 1264630), (340, 1034021), (346, 1016090), (430, 817598), (556, 632315), (692, 508045), (695, 505852), (731, 480940), (860, 408799), (865, 406436), (1390, 252926), (1462, 240470), (1730, 203218), (2363, 148780), (2780, 126463), (2924, 120235), (2941, 119540), (3460, 101609), (3655, 96188), (4726, 74390), (5882, 59770), (5977, 58820), (7310, 48094), (7439, 47260), (9452, 37195), (11764, 29885), (11815, 29756), (11954, 29410), (14620, 24047), (14705, 23908), (14878, 23630)]