38948140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3613}}^1$

素因数の和:3647

約数の個数: 72

約数和(自身を含む): 103822992

約数和(自身を除く): 64874852

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 3613, 5390, 7226, 10780, 14452, 18065, 25291, 36130, 39743, 50582, 72260, 79486, 101164, 126455, 158972, 177037, 198715, 252910, 278201, 354074, 397430, 505820, 556402, 708148, 794860, 885185, 1112804, 1391005, 1770370, 1947407, 2782010, 3540740, 3894814, 5564020, 7789628, 9737035, 19474070, 38948140]

約数ペア:

[(1, 38948140), (2, 19474070), (4, 9737035), (5, 7789628), (7, 5564020), (10, 3894814), (11, 3540740), (14, 2782010), (20, 1947407), (22, 1770370), (28, 1391005), (35, 1112804), (44, 885185), (49, 794860), (55, 708148), (70, 556402), (77, 505820), (98, 397430), (110, 354074), (140, 278201), (154, 252910), (196, 198715), (220, 177037), (245, 158972), (308, 126455), (385, 101164), (490, 79486), (539, 72260), (770, 50582), (980, 39743), (1078, 36130), (1540, 25291), (2156, 18065), (2695, 14452), (3613, 10780), (5390, 7226)]