28102700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:363

約数の個数: 72

約数和(自身を含む): 65870784

約数和(自身を除く): 37768084

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 61, 68, 85, 100, 122, 170, 244, 271, 305, 340, 425, 542, 610, 850, 1037, 1084, 1220, 1355, 1525, 1700, 2074, 2710, 3050, 4148, 4607, 5185, 5420, 6100, 6775, 9214, 10370, 13550, 16531, 18428, 20740, 23035, 25925, 27100, 33062, 46070, 51850, 66124, 82655, 92140, 103700, 115175, 165310, 230350, 281027, 330620, 413275, 460700, 562054, 826550, 1124108, 1405135, 1653100, 2810270, 5620540, 7025675, 14051350, 28102700]

約数ペア:

[(1, 28102700), (2, 14051350), (4, 7025675), (5, 5620540), (10, 2810270), (17, 1653100), (20, 1405135), (25, 1124108), (34, 826550), (50, 562054), (61, 460700), (68, 413275), (85, 330620), (100, 281027), (122, 230350), (170, 165310), (244, 115175), (271, 103700), (305, 92140), (340, 82655), (425, 66124), (542, 51850), (610, 46070), (850, 33062), (1037, 27100), (1084, 25925), (1220, 23035), (1355, 20740), (1525, 18428), (1700, 16531), (2074, 13550), (2710, 10370), (3050, 9214), (4148, 6775), (4607, 6100), (5185, 5420)]