288889720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{3923}}^1$

素因数の和:4204

約数の個数: 64

約数和(自身を含む): 745873920

約数和(自身を除く): 456984200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 263, 280, 526, 1052, 1315, 1841, 2104, 2630, 3682, 3923, 5260, 7364, 7846, 9205, 10520, 14728, 15692, 18410, 19615, 27461, 31384, 36820, 39230, 54922, 73640, 78460, 109844, 137305, 156920, 219688, 274610, 549220, 1031749, 1098440, 2063498, 4126996, 5158745, 7222243, 8253992, 10317490, 14444486, 20634980, 28888972, 36111215, 41269960, 57777944, 72222430, 144444860, 288889720]

約数ペア:

[(1, 288889720), (2, 144444860), (4, 72222430), (5, 57777944), (7, 41269960), (8, 36111215), (10, 28888972), (14, 20634980), (20, 14444486), (28, 10317490), (35, 8253992), (40, 7222243), (56, 5158745), (70, 4126996), (140, 2063498), (263, 1098440), (280, 1031749), (526, 549220), (1052, 274610), (1315, 219688), (1841, 156920), (2104, 137305), (2630, 109844), (3682, 78460), (3923, 73640), (5260, 54922), (7364, 39230), (7846, 36820), (9205, 31384), (10520, 27461), (14728, 19615), (15692, 18410)]