2018401420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1\times {\mathrm{401}}^1$

素因数の和:803

約数の個数: 96

約数和(自身を含む): 4908516480

約数和(自身を除く): 2890115060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 229, 314, 401, 458, 628, 785, 802, 916, 1099, 1145, 1570, 1603, 1604, 2005, 2198, 2290, 2807, 3140, 3206, 4010, 4396, 4580, 5495, 5614, 6412, 8015, 8020, 10990, 11228, 14035, 16030, 21980, 28070, 32060, 35953, 56140, 62957, 71906, 91829, 125914, 143812, 179765, 183658, 251671, 251828, 314785, 359530, 367316, 440699, 459145, 503342, 629570, 642803, 719060, 881398, 918290, 1006684, 1258355, 1259140, 1285606, 1762796, 1836580, 2203495, 2516710, 2571212, 3214015, 4406990, 5033420, 6428030, 8813980, 12856060, 14417153, 28834306, 57668612, 72085765, 100920071, 144171530, 201840142, 288343060, 403680284, 504600355, 1009200710, 2018401420]

約数ペア:

[(1, 2018401420), (2, 1009200710), (4, 504600355), (5, 403680284), (7, 288343060), (10, 201840142), (14, 144171530), (20, 100920071), (28, 72085765), (35, 57668612), (70, 28834306), (140, 14417153), (157, 12856060), (229, 8813980), (314, 6428030), (401, 5033420), (458, 4406990), (628, 3214015), (785, 2571212), (802, 2516710), (916, 2203495), (1099, 1836580), (1145, 1762796), (1570, 1285606), (1603, 1259140), (1604, 1258355), (2005, 1006684), (2198, 918290), (2290, 881398), (2807, 719060), (3140, 642803), (3206, 629570), (4010, 503342), (4396, 459145), (4580, 440699), (5495, 367316), (5614, 359530), (6412, 314785), (8015, 251828), (8020, 251671), (10990, 183658), (11228, 179765), (14035, 143812), (16030, 125914), (21980, 91829), (28070, 71906), (32060, 62957), (35953, 56140)]