203911180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1031}}^1$

素因数の和:1111

約数の個数: 96

約数和(自身を含む): 499322880

約数和(自身を除く): 295411700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 31, 44, 55, 58, 62, 110, 116, 124, 145, 155, 220, 290, 310, 319, 341, 580, 620, 638, 682, 899, 1031, 1276, 1364, 1595, 1705, 1798, 2062, 3190, 3410, 3596, 4124, 4495, 5155, 6380, 6820, 8990, 9889, 10310, 11341, 17980, 19778, 20620, 22682, 29899, 31961, 39556, 45364, 49445, 56705, 59798, 63922, 98890, 113410, 119596, 127844, 149495, 159805, 197780, 226820, 298990, 319610, 328889, 351571, 597980, 639220, 657778, 703142, 926869, 1315556, 1406284, 1644445, 1757855, 1853738, 3288890, 3515710, 3707476, 4634345, 6577780, 7031420, 9268690, 10195559, 18537380, 20391118, 40782236, 50977795, 101955590, 203911180]

約数ペア:

[(1, 203911180), (2, 101955590), (4, 50977795), (5, 40782236), (10, 20391118), (11, 18537380), (20, 10195559), (22, 9268690), (29, 7031420), (31, 6577780), (44, 4634345), (55, 3707476), (58, 3515710), (62, 3288890), (110, 1853738), (116, 1757855), (124, 1644445), (145, 1406284), (155, 1315556), (220, 926869), (290, 703142), (310, 657778), (319, 639220), (341, 597980), (580, 351571), (620, 328889), (638, 319610), (682, 298990), (899, 226820), (1031, 197780), (1276, 159805), (1364, 149495), (1595, 127844), (1705, 119596), (1798, 113410), (2062, 98890), (3190, 63922), (3410, 59798), (3596, 56705), (4124, 49445), (4495, 45364), (5155, 39556), (6380, 31961), (6820, 29899), (8990, 22682), (9889, 20620), (10310, 19778), (11341, 17980)]