190012420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{13789}}^1$

素因数の和:13864

約数の個数: 48

約数和(自身を含む): 437860080

約数和(自身を除く): 247847660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6890, 13780, 13789, 27578, 55156, 68945, 137890, 179257, 275780, 358514, 717028, 730817, 896285, 1461634, 1792570, 2923268, 3585140, 3654085, 7308170, 9500621, 14616340, 19001242, 38002484, 47503105, 95006210, 190012420]

約数ペア:

[(1, 190012420), (2, 95006210), (4, 47503105), (5, 38002484), (10, 19001242), (13, 14616340), (20, 9500621), (26, 7308170), (52, 3654085), (53, 3585140), (65, 2923268), (106, 1792570), (130, 1461634), (212, 896285), (260, 730817), (265, 717028), (530, 358514), (689, 275780), (1060, 179257), (1378, 137890), (2756, 68945), (3445, 55156), (6890, 27578), (13780, 13789)]