217261170

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{827}}^1$

素因数の和:989

約数の個数: 128

約数和(自身を含む): 667699200

約数和(自身を除く): 450438030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 139, 189, 210, 270, 278, 315, 378, 417, 630, 695, 827, 834, 945, 973, 1251, 1390, 1654, 1890, 1946, 2085, 2481, 2502, 2919, 3753, 4135, 4170, 4865, 4962, 5789, 5838, 6255, 7443, 7506, 8270, 8757, 9730, 11578, 12405, 12510, 14595, 14886, 17367, 17514, 18765, 22329, 24810, 26271, 28945, 29190, 34734, 37215, 37530, 43785, 44658, 52101, 52542, 57890, 74430, 86835, 87570, 104202, 111645, 114953, 131355, 156303, 173670, 223290, 229906, 260505, 262710, 312606, 344859, 521010, 574765, 689718, 781515, 804671, 1034577, 1149530, 1563030, 1609342, 1724295, 2069154, 2414013, 3103731, 3448590, 4023355, 4828026, 5172885, 6207462, 7242039, 8046710, 10345770, 12070065, 14484078, 15518655, 21726117, 24140130, 31037310, 36210195, 43452234, 72420390, 108630585, 217261170]

約数ペア:

[(1, 217261170), (2, 108630585), (3, 72420390), (5, 43452234), (6, 36210195), (7, 31037310), (9, 24140130), (10, 21726117), (14, 15518655), (15, 14484078), (18, 12070065), (21, 10345770), (27, 8046710), (30, 7242039), (35, 6207462), (42, 5172885), (45, 4828026), (54, 4023355), (63, 3448590), (70, 3103731), (90, 2414013), (105, 2069154), (126, 1724295), (135, 1609342), (139, 1563030), (189, 1149530), (210, 1034577), (270, 804671), (278, 781515), (315, 689718), (378, 574765), (417, 521010), (630, 344859), (695, 312606), (827, 262710), (834, 260505), (945, 229906), (973, 223290), (1251, 173670), (1390, 156303), (1654, 131355), (1890, 114953), (1946, 111645), (2085, 104202), (2481, 87570), (2502, 86835), (2919, 74430), (3753, 57890), (4135, 52542), (4170, 52101), (4865, 44658), (4962, 43785), (5789, 37530), (5838, 37215), (6255, 34734), (7443, 29190), (7506, 28945), (8270, 26271), (8757, 24810), (9730, 22329), (11578, 18765), (12405, 17514), (12510, 17367), (14595, 14886)]