208488540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{709}}^1$

素因数の和:776

約数の個数: 144

約数和(自身を含む): 654847200

約数和(自身を除く): 446358660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 29, 30, 39, 52, 58, 60, 65, 78, 87, 116, 130, 145, 156, 169, 174, 195, 260, 290, 338, 348, 377, 390, 435, 507, 580, 676, 709, 754, 780, 845, 870, 1014, 1131, 1418, 1508, 1690, 1740, 1885, 2028, 2127, 2262, 2535, 2836, 3380, 3545, 3770, 4254, 4524, 4901, 5070, 5655, 7090, 7540, 8508, 9217, 9802, 10140, 10635, 11310, 14180, 14703, 18434, 19604, 20561, 21270, 22620, 24505, 27651, 29406, 36868, 41122, 42540, 46085, 49010, 55302, 58812, 61683, 73515, 82244, 92170, 98020, 102805, 110604, 119821, 123366, 138255, 147030, 184340, 205610, 239642, 246732, 267293, 276510, 294060, 308415, 359463, 411220, 479284, 534586, 553020, 599105, 616830, 718926, 801879, 1069172, 1198210, 1233660, 1336465, 1437852, 1603758, 1797315, 2396420, 2672930, 3207516, 3474809, 3594630, 4009395, 5345860, 6949618, 7189260, 8018790, 10424427, 13899236, 16037580, 17374045, 20848854, 34748090, 41697708, 52122135, 69496180, 104244270, 208488540]

約数ペア:

[(1, 208488540), (2, 104244270), (3, 69496180), (4, 52122135), (5, 41697708), (6, 34748090), (10, 20848854), (12, 17374045), (13, 16037580), (15, 13899236), (20, 10424427), (26, 8018790), (29, 7189260), (30, 6949618), (39, 5345860), (52, 4009395), (58, 3594630), (60, 3474809), (65, 3207516), (78, 2672930), (87, 2396420), (116, 1797315), (130, 1603758), (145, 1437852), (156, 1336465), (169, 1233660), (174, 1198210), (195, 1069172), (260, 801879), (290, 718926), (338, 616830), (348, 599105), (377, 553020), (390, 534586), (435, 479284), (507, 411220), (580, 359463), (676, 308415), (709, 294060), (754, 276510), (780, 267293), (845, 246732), (870, 239642), (1014, 205610), (1131, 184340), (1418, 147030), (1508, 138255), (1690, 123366), (1740, 119821), (1885, 110604), (2028, 102805), (2127, 98020), (2262, 92170), (2535, 82244), (2836, 73515), (3380, 61683), (3545, 58812), (3770, 55302), (4254, 49010), (4524, 46085), (4901, 42540), (5070, 41122), (5655, 36868), (7090, 29406), (7540, 27651), (8508, 24505), (9217, 22620), (9802, 21270), (10140, 20561), (10635, 19604), (11310, 18434), (14180, 14703)]