156950020820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^2\times {\mathrm{263}}^1\times {\mathrm{3767}}^1$

素因数の和:4217

約数の個数: 72

約数和(自身を含む): 334696247424

約数和(自身を除く): 177746226604

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 263, 356, 445, 526, 890, 1052, 1315, 1780, 2630, 3767, 5260, 7534, 7921, 15068, 15842, 18835, 23407, 31684, 37670, 39605, 46814, 75340, 79210, 93628, 117035, 158420, 234070, 335263, 468140, 670526, 990721, 1341052, 1676315, 1981442, 2083223, 3352630, 3962884, 4166446, 4953605, 6705260, 8332892, 9907210, 10416115, 19814420, 20832230, 29838407, 41664460, 59676814, 88174169, 119353628, 149192035, 176348338, 298384070, 352696676, 440870845, 596768140, 881741690, 1763483380, 7847501041, 15695002082, 31390004164, 39237505205, 78475010410, 156950020820]

約数ペア:

[(1, 156950020820), (2, 78475010410), (4, 39237505205), (5, 31390004164), (10, 15695002082), (20, 7847501041), (89, 1763483380), (178, 881741690), (263, 596768140), (356, 440870845), (445, 352696676), (526, 298384070), (890, 176348338), (1052, 149192035), (1315, 119353628), (1780, 88174169), (2630, 59676814), (3767, 41664460), (5260, 29838407), (7534, 20832230), (7921, 19814420), (15068, 10416115), (15842, 9907210), (18835, 8332892), (23407, 6705260), (31684, 4953605), (37670, 4166446), (39605, 3962884), (46814, 3352630), (75340, 2083223), (79210, 1981442), (93628, 1676315), (117035, 1341052), (158420, 990721), (234070, 670526), (335263, 468140)]