260525408

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{197}}^1$

素因数の和:265

約数の個数: 144

約数和(自身を含む): 643359024

約数和(自身を除く): 382833616

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 32, 34, 44, 52, 68, 88, 104, 136, 143, 176, 187, 197, 208, 221, 272, 286, 289, 352, 374, 394, 416, 442, 544, 572, 578, 748, 788, 884, 1144, 1156, 1496, 1576, 1768, 2167, 2288, 2312, 2431, 2561, 2992, 3152, 3179, 3349, 3536, 3757, 4334, 4576, 4624, 4862, 5122, 5984, 6304, 6358, 6698, 7072, 7514, 8668, 9248, 9724, 10244, 12716, 13396, 15028, 17336, 19448, 20488, 25432, 26792, 28171, 30056, 34672, 36839, 38896, 40976, 41327, 43537, 50864, 53584, 56342, 56933, 60112, 69344, 73678, 77792, 81952, 82654, 87074, 101728, 107168, 112684, 113866, 120224, 147356, 165308, 174148, 225368, 227732, 294712, 330616, 348296, 450736, 455464, 478907, 589424, 626263, 661232, 696592, 740129, 901472, 910928, 957814, 1178848, 1252526, 1322464, 1393184, 1480258, 1821856, 1915628, 2505052, 2960516, 3831256, 5010104, 5921032, 7662512, 8141419, 10020208, 11842064, 15325024, 16282838, 20040416, 23684128, 32565676, 65131352, 130262704, 260525408]

約数ペア:

[(1, 260525408), (2, 130262704), (4, 65131352), (8, 32565676), (11, 23684128), (13, 20040416), (16, 16282838), (17, 15325024), (22, 11842064), (26, 10020208), (32, 8141419), (34, 7662512), (44, 5921032), (52, 5010104), (68, 3831256), (88, 2960516), (104, 2505052), (136, 1915628), (143, 1821856), (176, 1480258), (187, 1393184), (197, 1322464), (208, 1252526), (221, 1178848), (272, 957814), (286, 910928), (289, 901472), (352, 740129), (374, 696592), (394, 661232), (416, 626263), (442, 589424), (544, 478907), (572, 455464), (578, 450736), (748, 348296), (788, 330616), (884, 294712), (1144, 227732), (1156, 225368), (1496, 174148), (1576, 165308), (1768, 147356), (2167, 120224), (2288, 113866), (2312, 112684), (2431, 107168), (2561, 101728), (2992, 87074), (3152, 82654), (3179, 81952), (3349, 77792), (3536, 73678), (3757, 69344), (4334, 60112), (4576, 56933), (4624, 56342), (4862, 53584), (5122, 50864), (5984, 43537), (6304, 41327), (6358, 40976), (6698, 38896), (7072, 36839), (7514, 34672), (8668, 30056), (9248, 28171), (9724, 26792), (10244, 25432), (12716, 20488), (13396, 19448), (15028, 17336)]