290453940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3779}}^1$

素因数の和:3862

約数の個数: 144

約数和(自身を含む): 1023684480

約数和(自身を除く): 733230540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 366, 420, 427, 549, 610, 630, 732, 854, 915, 1098, 1220, 1260, 1281, 1708, 1830, 2135, 2196, 2562, 2745, 3660, 3779, 3843, 4270, 5124, 5490, 6405, 7558, 7686, 8540, 10980, 11337, 12810, 15116, 15372, 18895, 19215, 22674, 25620, 26453, 34011, 37790, 38430, 45348, 52906, 56685, 68022, 75580, 76860, 79359, 105812, 113370, 132265, 136044, 158718, 170055, 226740, 230519, 238077, 264530, 317436, 340110, 396795, 461038, 476154, 529060, 680220, 691557, 793590, 922076, 952308, 1152595, 1190385, 1383114, 1587180, 1613633, 2074671, 2305190, 2380770, 2766228, 3227266, 3457785, 4149342, 4610380, 4761540, 4840899, 6454532, 6915570, 8068165, 8298684, 9681798, 10373355, 13831140, 14522697, 16136330, 19363596, 20746710, 24204495, 29045394, 32272660, 41493420, 48408990, 58090788, 72613485, 96817980, 145226970, 290453940]

約数ペア:

[(1, 290453940), (2, 145226970), (3, 96817980), (4, 72613485), (5, 58090788), (6, 48408990), (7, 41493420), (9, 32272660), (10, 29045394), (12, 24204495), (14, 20746710), (15, 19363596), (18, 16136330), (20, 14522697), (21, 13831140), (28, 10373355), (30, 9681798), (35, 8298684), (36, 8068165), (42, 6915570), (45, 6454532), (60, 4840899), (61, 4761540), (63, 4610380), (70, 4149342), (84, 3457785), (90, 3227266), (105, 2766228), (122, 2380770), (126, 2305190), (140, 2074671), (180, 1613633), (183, 1587180), (210, 1383114), (244, 1190385), (252, 1152595), (305, 952308), (315, 922076), (366, 793590), (420, 691557), (427, 680220), (549, 529060), (610, 476154), (630, 461038), (732, 396795), (854, 340110), (915, 317436), (1098, 264530), (1220, 238077), (1260, 230519), (1281, 226740), (1708, 170055), (1830, 158718), (2135, 136044), (2196, 132265), (2562, 113370), (2745, 105812), (3660, 79359), (3779, 76860), (3843, 75580), (4270, 68022), (5124, 56685), (5490, 52906), (6405, 45348), (7558, 38430), (7686, 37790), (8540, 34011), (10980, 26453), (11337, 25620), (12810, 22674), (15116, 19215), (15372, 18895)]