205799080

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 508032000

約数和(自身を除く): 302232920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 59, 62, 97, 116, 118, 124, 145, 155, 194, 232, 236, 248, 290, 295, 310, 388, 472, 485, 580, 590, 620, 776, 899, 970, 1160, 1180, 1240, 1711, 1798, 1829, 1940, 2360, 2813, 3007, 3422, 3596, 3658, 3880, 4495, 5626, 5723, 6014, 6844, 7192, 7316, 8555, 8990, 9145, 11252, 11446, 12028, 13688, 14065, 14632, 15035, 17110, 17980, 18290, 22504, 22892, 24056, 28130, 28615, 30070, 34220, 35960, 36580, 45784, 53041, 56260, 57230, 60140, 68440, 73160, 87203, 106082, 112520, 114460, 120280, 165967, 174406, 177413, 212164, 228920, 265205, 331934, 348812, 354826, 424328, 436015, 530410, 663868, 697624, 709652, 829835, 872030, 887065, 1060820, 1327736, 1419304, 1659670, 1744060, 1774130, 2121640, 3319340, 3488120, 3548260, 5144977, 6638680, 7096520, 10289954, 20579908, 25724885, 41159816, 51449770, 102899540, 205799080]

約数ペア:

[(1, 205799080), (2, 102899540), (4, 51449770), (5, 41159816), (8, 25724885), (10, 20579908), (20, 10289954), (29, 7096520), (31, 6638680), (40, 5144977), (58, 3548260), (59, 3488120), (62, 3319340), (97, 2121640), (116, 1774130), (118, 1744060), (124, 1659670), (145, 1419304), (155, 1327736), (194, 1060820), (232, 887065), (236, 872030), (248, 829835), (290, 709652), (295, 697624), (310, 663868), (388, 530410), (472, 436015), (485, 424328), (580, 354826), (590, 348812), (620, 331934), (776, 265205), (899, 228920), (970, 212164), (1160, 177413), (1180, 174406), (1240, 165967), (1711, 120280), (1798, 114460), (1829, 112520), (1940, 106082), (2360, 87203), (2813, 73160), (3007, 68440), (3422, 60140), (3596, 57230), (3658, 56260), (3880, 53041), (4495, 45784), (5626, 36580), (5723, 35960), (6014, 34220), (6844, 30070), (7192, 28615), (7316, 28130), (8555, 24056), (8990, 22892), (9145, 22504), (11252, 18290), (11446, 17980), (12028, 17110), (13688, 15035), (14065, 14632)]