420256716

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 1132572672

約数和(自身を除く): 712315956

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 43, 44, 53, 66, 86, 106, 121, 127, 129, 132, 159, 172, 212, 242, 254, 258, 318, 363, 381, 473, 484, 508, 516, 583, 636, 726, 762, 946, 1166, 1397, 1419, 1452, 1524, 1749, 1892, 2279, 2332, 2794, 2838, 3498, 4191, 4558, 5203, 5461, 5588, 5676, 6413, 6731, 6837, 6996, 8382, 9116, 10406, 10922, 12826, 13462, 13674, 15367, 15609, 16383, 16764, 19239, 20193, 20812, 21844, 25069, 25652, 26924, 27348, 30734, 31218, 32766, 38478, 40386, 46101, 50138, 60071, 61468, 62436, 65532, 74041, 75207, 76956, 80772, 92202, 100276, 120142, 148082, 150414, 180213, 184404, 222123, 240284, 275759, 289433, 296164, 300828, 360426, 444246, 551518, 578866, 660781, 720852, 814451, 827277, 868299, 888492, 1103036, 1157732, 1321562, 1628902, 1654554, 1736598, 1982343, 2443353, 2643124, 3183763, 3257804, 3309108, 3473196, 3964686, 4886706, 6367526, 7929372, 9551289, 9773412, 12735052, 19102578, 35021393, 38205156, 70042786, 105064179, 140085572, 210128358, 420256716]

約数ペア:

[(1, 420256716), (2, 210128358), (3, 140085572), (4, 105064179), (6, 70042786), (11, 38205156), (12, 35021393), (22, 19102578), (33, 12735052), (43, 9773412), (44, 9551289), (53, 7929372), (66, 6367526), (86, 4886706), (106, 3964686), (121, 3473196), (127, 3309108), (129, 3257804), (132, 3183763), (159, 2643124), (172, 2443353), (212, 1982343), (242, 1736598), (254, 1654554), (258, 1628902), (318, 1321562), (363, 1157732), (381, 1103036), (473, 888492), (484, 868299), (508, 827277), (516, 814451), (583, 720852), (636, 660781), (726, 578866), (762, 551518), (946, 444246), (1166, 360426), (1397, 300828), (1419, 296164), (1452, 289433), (1524, 275759), (1749, 240284), (1892, 222123), (2279, 184404), (2332, 180213), (2794, 150414), (2838, 148082), (3498, 120142), (4191, 100276), (4558, 92202), (5203, 80772), (5461, 76956), (5588, 75207), (5676, 74041), (6413, 65532), (6731, 62436), (6837, 61468), (6996, 60071), (8382, 50138), (9116, 46101), (10406, 40386), (10922, 38478), (12826, 32766), (13462, 31218), (13674, 30734), (15367, 27348), (15609, 26924), (16383, 25652), (16764, 25069), (19239, 21844), (20193, 20812)]