398461420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{647}}^1$

素因数の和:799

約数の個数: 96

約数和(自身を含む): 987614208

約数和(自身を除く): 589152788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 83, 106, 140, 166, 212, 265, 332, 371, 415, 530, 581, 647, 742, 830, 1060, 1162, 1294, 1484, 1660, 1855, 2324, 2588, 2905, 3235, 3710, 4399, 4529, 5810, 6470, 7420, 8798, 9058, 11620, 12940, 17596, 18116, 21995, 22645, 30793, 34291, 43990, 45290, 53701, 61586, 68582, 87980, 90580, 107402, 123172, 137164, 153965, 171455, 214804, 240037, 268505, 307930, 342910, 375907, 480074, 537010, 615860, 685820, 751814, 960148, 1074020, 1200185, 1503628, 1879535, 2400370, 2846153, 3759070, 4800740, 5692306, 7518140, 11384612, 14230765, 19923071, 28461530, 39846142, 56923060, 79692284, 99615355, 199230710, 398461420]

約数ペア:

[(1, 398461420), (2, 199230710), (4, 99615355), (5, 79692284), (7, 56923060), (10, 39846142), (14, 28461530), (20, 19923071), (28, 14230765), (35, 11384612), (53, 7518140), (70, 5692306), (83, 4800740), (106, 3759070), (140, 2846153), (166, 2400370), (212, 1879535), (265, 1503628), (332, 1200185), (371, 1074020), (415, 960148), (530, 751814), (581, 685820), (647, 615860), (742, 537010), (830, 480074), (1060, 375907), (1162, 342910), (1294, 307930), (1484, 268505), (1660, 240037), (1855, 214804), (2324, 171455), (2588, 153965), (2905, 137164), (3235, 123172), (3710, 107402), (4399, 90580), (4529, 87980), (5810, 68582), (6470, 61586), (7420, 53701), (8798, 45290), (9058, 43990), (11620, 34291), (12940, 30793), (17596, 22645), (18116, 21995)]