142917440

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14407}}^1$

素因数の和:14455

約数の個数: 56

約数和(自身を含む): 351324672

約数和(自身を除く): 208407232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 14407, 28814, 57628, 72035, 115256, 144070, 230512, 288140, 446617, 461024, 576280, 893234, 922048, 1152560, 1786468, 2233085, 2305120, 3572936, 4466170, 4610240, 7145872, 8932340, 14291744, 17864680, 28583488, 35729360, 71458720, 142917440]

約数ペア:

[(1, 142917440), (2, 71458720), (4, 35729360), (5, 28583488), (8, 17864680), (10, 14291744), (16, 8932340), (20, 7145872), (31, 4610240), (32, 4466170), (40, 3572936), (62, 2305120), (64, 2233085), (80, 1786468), (124, 1152560), (155, 922048), (160, 893234), (248, 576280), (310, 461024), (320, 446617), (496, 288140), (620, 230512), (992, 144070), (1240, 115256), (1984, 72035), (2480, 57628), (4960, 28814), (9920, 14407)]