51117980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 123197760

約数和(自身を除く): 72079780

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 41, 68, 76, 82, 85, 95, 164, 170, 190, 193, 205, 323, 340, 380, 386, 410, 646, 697, 772, 779, 820, 965, 1292, 1394, 1558, 1615, 1930, 2788, 3116, 3230, 3281, 3485, 3667, 3860, 3895, 6460, 6562, 6970, 7334, 7790, 7913, 13124, 13243, 13940, 14668, 15580, 15826, 16405, 18335, 26486, 31652, 32810, 36670, 39565, 52972, 62339, 65620, 66215, 73340, 79130, 124678, 132430, 134521, 150347, 158260, 249356, 264860, 269042, 300694, 311695, 538084, 601388, 623390, 672605, 751735, 1246780, 1345210, 1503470, 2555899, 2690420, 3006940, 5111798, 10223596, 12779495, 25558990, 51117980]

約数ペア:

[(1, 51117980), (2, 25558990), (4, 12779495), (5, 10223596), (10, 5111798), (17, 3006940), (19, 2690420), (20, 2555899), (34, 1503470), (38, 1345210), (41, 1246780), (68, 751735), (76, 672605), (82, 623390), (85, 601388), (95, 538084), (164, 311695), (170, 300694), (190, 269042), (193, 264860), (205, 249356), (323, 158260), (340, 150347), (380, 134521), (386, 132430), (410, 124678), (646, 79130), (697, 73340), (772, 66215), (779, 65620), (820, 62339), (965, 52972), (1292, 39565), (1394, 36670), (1558, 32810), (1615, 31652), (1930, 26486), (2788, 18335), (3116, 16405), (3230, 15826), (3281, 15580), (3485, 14668), (3667, 13940), (3860, 13243), (3895, 13124), (6460, 7913), (6562, 7790), (6970, 7334)]