140689780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:486

約数の個数: 144

約数和(自身を含む): 387942912

約数和(自身を除く): 247253132

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 49, 55, 62, 70, 77, 98, 110, 124, 140, 154, 155, 196, 217, 220, 245, 308, 310, 341, 385, 421, 434, 490, 539, 620, 682, 770, 842, 868, 980, 1078, 1085, 1364, 1519, 1540, 1684, 1705, 2105, 2156, 2170, 2387, 2695, 2947, 3038, 3410, 4210, 4340, 4631, 4774, 5390, 5894, 6076, 6820, 7595, 8420, 9262, 9548, 10780, 11788, 11935, 13051, 14735, 15190, 16709, 18524, 20629, 23155, 23870, 26102, 29470, 30380, 32417, 33418, 41258, 46310, 47740, 52204, 58940, 64834, 65255, 66836, 82516, 83545, 91357, 92620, 103145, 129668, 130510, 143561, 162085, 167090, 182714, 206290, 226919, 261020, 287122, 324170, 334180, 365428, 412580, 453838, 456785, 574244, 639499, 648340, 717805, 907676, 913570, 1004927, 1134595, 1278998, 1435610, 1827140, 2009854, 2269190, 2557996, 2871220, 3197495, 4019708, 4538380, 5024635, 6394990, 7034489, 10049270, 12789980, 14068978, 20098540, 28137956, 35172445, 70344890, 140689780]

約数ペア:

[(1, 140689780), (2, 70344890), (4, 35172445), (5, 28137956), (7, 20098540), (10, 14068978), (11, 12789980), (14, 10049270), (20, 7034489), (22, 6394990), (28, 5024635), (31, 4538380), (35, 4019708), (44, 3197495), (49, 2871220), (55, 2557996), (62, 2269190), (70, 2009854), (77, 1827140), (98, 1435610), (110, 1278998), (124, 1134595), (140, 1004927), (154, 913570), (155, 907676), (196, 717805), (217, 648340), (220, 639499), (245, 574244), (308, 456785), (310, 453838), (341, 412580), (385, 365428), (421, 334180), (434, 324170), (490, 287122), (539, 261020), (620, 226919), (682, 206290), (770, 182714), (842, 167090), (868, 162085), (980, 143561), (1078, 130510), (1085, 129668), (1364, 103145), (1519, 92620), (1540, 91357), (1684, 83545), (1705, 82516), (2105, 66836), (2156, 65255), (2170, 64834), (2387, 58940), (2695, 52204), (2947, 47740), (3038, 46310), (3410, 41258), (4210, 33418), (4340, 32417), (4631, 30380), (4774, 29470), (5390, 26102), (5894, 23870), (6076, 23155), (6820, 20629), (7595, 18524), (8420, 16709), (9262, 15190), (9548, 14735), (10780, 13051), (11788, 11935)]