102928420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{827}}^1$

素因数の和:977

約数の個数: 72

約数和(自身を含む): 253725696

約数和(自身を除く): 150797276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 127, 140, 196, 245, 254, 490, 508, 635, 827, 889, 980, 1270, 1654, 1778, 2540, 3308, 3556, 4135, 4445, 5789, 6223, 8270, 8890, 11578, 12446, 16540, 17780, 23156, 24892, 28945, 31115, 40523, 57890, 62230, 81046, 105029, 115780, 124460, 162092, 202615, 210058, 405230, 420116, 525145, 735203, 810460, 1050290, 1470406, 2100580, 2940812, 3676015, 5146421, 7352030, 10292842, 14704060, 20585684, 25732105, 51464210, 102928420]

約数ペア:

[(1, 102928420), (2, 51464210), (4, 25732105), (5, 20585684), (7, 14704060), (10, 10292842), (14, 7352030), (20, 5146421), (28, 3676015), (35, 2940812), (49, 2100580), (70, 1470406), (98, 1050290), (127, 810460), (140, 735203), (196, 525145), (245, 420116), (254, 405230), (490, 210058), (508, 202615), (635, 162092), (827, 124460), (889, 115780), (980, 105029), (1270, 81046), (1654, 62230), (1778, 57890), (2540, 40523), (3308, 31115), (3556, 28945), (4135, 24892), (4445, 23156), (5789, 17780), (6223, 16540), (8270, 12446), (8890, 11578)]