208957980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1459}}^1$

素因数の和:1520

約数の個数: 192

約数和(自身を含む): 753500160

約数和(自身を除く): 544542180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 31, 33, 35, 42, 44, 55, 60, 62, 66, 70, 77, 84, 93, 105, 110, 124, 132, 140, 154, 155, 165, 186, 210, 217, 220, 231, 308, 310, 330, 341, 372, 385, 420, 434, 462, 465, 620, 651, 660, 682, 770, 868, 924, 930, 1023, 1085, 1155, 1302, 1364, 1459, 1540, 1705, 1860, 2046, 2170, 2310, 2387, 2604, 2918, 3255, 3410, 4092, 4340, 4377, 4620, 4774, 5115, 5836, 6510, 6820, 7161, 7295, 8754, 9548, 10213, 10230, 11935, 13020, 14322, 14590, 16049, 17508, 20426, 20460, 21885, 23870, 28644, 29180, 30639, 32098, 35805, 40852, 43770, 45229, 47740, 48147, 51065, 61278, 64196, 71610, 80245, 87540, 90458, 96294, 102130, 112343, 122556, 135687, 143220, 153195, 160490, 180916, 192588, 204260, 224686, 226145, 240735, 271374, 306390, 316603, 320980, 337029, 449372, 452290, 481470, 497519, 542748, 561715, 612780, 633206, 674058, 678435, 904580, 949809, 962940, 995038, 1123430, 1266412, 1348116, 1356870, 1492557, 1583015, 1685145, 1899618, 1990076, 2246860, 2487595, 2713740, 2985114, 3166030, 3370290, 3482633, 3799236, 4749045, 4975190, 5970228, 6332060, 6740580, 6965266, 7462785, 9498090, 9950380, 10447899, 13930532, 14925570, 17413165, 18996180, 20895798, 29851140, 34826330, 41791596, 52239495, 69652660, 104478990, 208957980]

約数ペア:

[(1, 208957980), (2, 104478990), (3, 69652660), (4, 52239495), (5, 41791596), (6, 34826330), (7, 29851140), (10, 20895798), (11, 18996180), (12, 17413165), (14, 14925570), (15, 13930532), (20, 10447899), (21, 9950380), (22, 9498090), (28, 7462785), (30, 6965266), (31, 6740580), (33, 6332060), (35, 5970228), (42, 4975190), (44, 4749045), (55, 3799236), (60, 3482633), (62, 3370290), (66, 3166030), (70, 2985114), (77, 2713740), (84, 2487595), (93, 2246860), (105, 1990076), (110, 1899618), (124, 1685145), (132, 1583015), (140, 1492557), (154, 1356870), (155, 1348116), (165, 1266412), (186, 1123430), (210, 995038), (217, 962940), (220, 949809), (231, 904580), (308, 678435), (310, 674058), (330, 633206), (341, 612780), (372, 561715), (385, 542748), (420, 497519), (434, 481470), (462, 452290), (465, 449372), (620, 337029), (651, 320980), (660, 316603), (682, 306390), (770, 271374), (868, 240735), (924, 226145), (930, 224686), (1023, 204260), (1085, 192588), (1155, 180916), (1302, 160490), (1364, 153195), (1459, 143220), (1540, 135687), (1705, 122556), (1860, 112343), (2046, 102130), (2170, 96294), (2310, 90458), (2387, 87540), (2604, 80245), (2918, 71610), (3255, 64196), (3410, 61278), (4092, 51065), (4340, 48147), (4377, 47740), (4620, 45229), (4774, 43770), (5115, 40852), (5836, 35805), (6510, 32098), (6820, 30639), (7161, 29180), (7295, 28644), (8754, 23870), (9548, 21885), (10213, 20460), (10230, 20426), (11935, 17508), (13020, 16049), (14322, 14590)]