31072790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:477

約数の個数: 64

約数和(自身を含む): 68567040

約数和(自身を除く): 37494250

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 61, 70, 95, 122, 133, 190, 266, 305, 383, 427, 610, 665, 766, 854, 1159, 1330, 1915, 2135, 2318, 2681, 3830, 4270, 5362, 5795, 7277, 8113, 11590, 13405, 14554, 16226, 23363, 26810, 36385, 40565, 46726, 50939, 72770, 81130, 101878, 116815, 163541, 233630, 254695, 327082, 443897, 509390, 817705, 887794, 1635410, 2219485, 3107279, 4438970, 6214558, 15536395, 31072790]

約数ペア:

[(1, 31072790), (2, 15536395), (5, 6214558), (7, 4438970), (10, 3107279), (14, 2219485), (19, 1635410), (35, 887794), (38, 817705), (61, 509390), (70, 443897), (95, 327082), (122, 254695), (133, 233630), (190, 163541), (266, 116815), (305, 101878), (383, 81130), (427, 72770), (610, 50939), (665, 46726), (766, 40565), (854, 36385), (1159, 26810), (1330, 23363), (1915, 16226), (2135, 14554), (2318, 13405), (2681, 11590), (3830, 8113), (4270, 7277), (5362, 5795)]