129845980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:371

約数の個数: 96

約数和(自身を含む): 312238080

約数和(自身を除く): 182392100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 79, 110, 124, 155, 158, 220, 241, 310, 316, 341, 395, 482, 620, 682, 790, 869, 964, 1205, 1364, 1580, 1705, 1738, 2410, 2449, 2651, 3410, 3476, 4345, 4820, 4898, 5302, 6820, 7471, 8690, 9796, 10604, 12245, 13255, 14942, 17380, 19039, 24490, 26510, 26939, 29884, 37355, 38078, 48980, 53020, 53878, 74710, 76156, 82181, 95195, 107756, 134695, 149420, 164362, 190390, 209429, 269390, 328724, 380780, 410905, 418858, 538780, 590209, 821810, 837716, 1047145, 1180418, 1643620, 2094290, 2360836, 2951045, 4188580, 5902090, 6492299, 11804180, 12984598, 25969196, 32461495, 64922990, 129845980]

約数ペア:

[(1, 129845980), (2, 64922990), (4, 32461495), (5, 25969196), (10, 12984598), (11, 11804180), (20, 6492299), (22, 5902090), (31, 4188580), (44, 2951045), (55, 2360836), (62, 2094290), (79, 1643620), (110, 1180418), (124, 1047145), (155, 837716), (158, 821810), (220, 590209), (241, 538780), (310, 418858), (316, 410905), (341, 380780), (395, 328724), (482, 269390), (620, 209429), (682, 190390), (790, 164362), (869, 149420), (964, 134695), (1205, 107756), (1364, 95195), (1580, 82181), (1705, 76156), (1738, 74710), (2410, 53878), (2449, 53020), (2651, 48980), (3410, 38078), (3476, 37355), (4345, 29884), (4820, 26939), (4898, 26510), (5302, 24490), (6820, 19039), (7471, 17380), (8690, 14942), (9796, 13255), (10604, 12245)]