1213492060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^2\times {\mathrm{227}}^1$

素因数の和:352

約数の個数: 108

約数和(自身を含む): 2874533256

約数和(自身を除く): 1661041196

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 121, 188, 220, 227, 235, 242, 454, 470, 484, 517, 605, 908, 940, 1034, 1135, 1210, 2068, 2209, 2270, 2420, 2497, 2585, 4418, 4540, 4994, 5170, 5687, 8836, 9988, 10340, 10669, 11045, 11374, 12485, 21338, 22090, 22748, 24299, 24970, 27467, 28435, 42676, 44180, 48598, 49940, 53345, 54934, 56870, 97196, 106690, 109868, 113740, 117359, 121495, 137335, 213380, 234718, 242990, 267289, 274670, 469436, 485980, 501443, 534578, 549340, 586795, 1002886, 1069156, 1173590, 1290949, 1336445, 2005772, 2347180, 2507215, 2581898, 2672890, 5014430, 5163796, 5345780, 5515873, 6454745, 10028860, 11031746, 12909490, 22063492, 25818980, 27579365, 55158730, 60674603, 110317460, 121349206, 242698412, 303373015, 606746030, 1213492060]

約数ペア:

[(1, 1213492060), (2, 606746030), (4, 303373015), (5, 242698412), (10, 121349206), (11, 110317460), (20, 60674603), (22, 55158730), (44, 27579365), (47, 25818980), (55, 22063492), (94, 12909490), (110, 11031746), (121, 10028860), (188, 6454745), (220, 5515873), (227, 5345780), (235, 5163796), (242, 5014430), (454, 2672890), (470, 2581898), (484, 2507215), (517, 2347180), (605, 2005772), (908, 1336445), (940, 1290949), (1034, 1173590), (1135, 1069156), (1210, 1002886), (2068, 586795), (2209, 549340), (2270, 534578), (2420, 501443), (2497, 485980), (2585, 469436), (4418, 274670), (4540, 267289), (4994, 242990), (5170, 234718), (5687, 213380), (8836, 137335), (9988, 121495), (10340, 117359), (10669, 113740), (11045, 109868), (11374, 106690), (12485, 97196), (21338, 56870), (22090, 54934), (22748, 53345), (24299, 49940), (24970, 48598), (27467, 44180), (28435, 42676)]