31195300

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 72495360

約数和(自身を除く): 41300060

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 31, 50, 58, 62, 100, 116, 124, 145, 155, 290, 310, 347, 580, 620, 694, 725, 775, 899, 1388, 1450, 1550, 1735, 1798, 2900, 3100, 3470, 3596, 4495, 6940, 8675, 8990, 10063, 10757, 17350, 17980, 20126, 21514, 22475, 34700, 40252, 43028, 44950, 50315, 53785, 89900, 100630, 107570, 201260, 215140, 251575, 268925, 311953, 503150, 537850, 623906, 1006300, 1075700, 1247812, 1559765, 3119530, 6239060, 7798825, 15597650, 31195300]

約数ペア:

[(1, 31195300), (2, 15597650), (4, 7798825), (5, 6239060), (10, 3119530), (20, 1559765), (25, 1247812), (29, 1075700), (31, 1006300), (50, 623906), (58, 537850), (62, 503150), (100, 311953), (116, 268925), (124, 251575), (145, 215140), (155, 201260), (290, 107570), (310, 100630), (347, 89900), (580, 53785), (620, 50315), (694, 44950), (725, 43028), (775, 40252), (899, 34700), (1388, 22475), (1450, 21514), (1550, 20126), (1735, 17980), (1798, 17350), (2900, 10757), (3100, 10063), (3470, 8990), (3596, 8675), (4495, 6940)]