90195820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 232735104

約数和(自身を除く): 142539284

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 47, 52, 55, 61, 65, 94, 110, 121, 122, 130, 143, 188, 220, 235, 242, 244, 260, 286, 305, 470, 484, 517, 572, 605, 610, 611, 671, 715, 793, 940, 1034, 1210, 1220, 1222, 1342, 1430, 1573, 1586, 2068, 2420, 2444, 2585, 2684, 2860, 2867, 3055, 3146, 3172, 3355, 3965, 5170, 5687, 5734, 6110, 6292, 6710, 6721, 7381, 7865, 7930, 8723, 10340, 11374, 11468, 12220, 13420, 13442, 14335, 14762, 15730, 15860, 17446, 22748, 26884, 28435, 28670, 29524, 31460, 31537, 33605, 34892, 36905, 37271, 43615, 56870, 57340, 63074, 67210, 73810, 73931, 74542, 87230, 95953, 113740, 126148, 134420, 147620, 147862, 149084, 157685, 174460, 186355, 191906, 295724, 315370, 346907, 369655, 372710, 383812, 409981, 479765, 630740, 693814, 739310, 745420, 819962, 959530, 1387628, 1478620, 1639924, 1734535, 1919060, 2049905, 3469070, 4099810, 4509791, 6938140, 8199620, 9019582, 18039164, 22548955, 45097910, 90195820]

約数ペア:

[(1, 90195820), (2, 45097910), (4, 22548955), (5, 18039164), (10, 9019582), (11, 8199620), (13, 6938140), (20, 4509791), (22, 4099810), (26, 3469070), (44, 2049905), (47, 1919060), (52, 1734535), (55, 1639924), (61, 1478620), (65, 1387628), (94, 959530), (110, 819962), (121, 745420), (122, 739310), (130, 693814), (143, 630740), (188, 479765), (220, 409981), (235, 383812), (242, 372710), (244, 369655), (260, 346907), (286, 315370), (305, 295724), (470, 191906), (484, 186355), (517, 174460), (572, 157685), (605, 149084), (610, 147862), (611, 147620), (671, 134420), (715, 126148), (793, 113740), (940, 95953), (1034, 87230), (1210, 74542), (1220, 73931), (1222, 73810), (1342, 67210), (1430, 63074), (1573, 57340), (1586, 56870), (2068, 43615), (2420, 37271), (2444, 36905), (2585, 34892), (2684, 33605), (2860, 31537), (2867, 31460), (3055, 29524), (3146, 28670), (3172, 28435), (3355, 26884), (3965, 22748), (5170, 17446), (5687, 15860), (5734, 15730), (6110, 14762), (6292, 14335), (6710, 13442), (6721, 13420), (7381, 12220), (7865, 11468), (7930, 11374), (8723, 10340)]