49988840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:243

約数の個数: 128

約数和(自身を含む): 133902720

約数和(自身を除く): 83913880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 41, 44, 55, 68, 82, 85, 88, 110, 136, 163, 164, 170, 187, 205, 220, 326, 328, 340, 374, 410, 440, 451, 652, 680, 697, 748, 815, 820, 902, 935, 1304, 1394, 1496, 1630, 1640, 1793, 1804, 1870, 2255, 2771, 2788, 3260, 3485, 3586, 3608, 3740, 4510, 5542, 5576, 6520, 6683, 6970, 7172, 7480, 7667, 8965, 9020, 11084, 13366, 13855, 13940, 14344, 15334, 17930, 18040, 22168, 26732, 27710, 27880, 30481, 30668, 33415, 35860, 38335, 53464, 55420, 60962, 61336, 66830, 71720, 73513, 76670, 110840, 113611, 121924, 133660, 147026, 152405, 153340, 227222, 243848, 267320, 294052, 304810, 306680, 367565, 454444, 568055, 588104, 609620, 735130, 908888, 1136110, 1219240, 1249721, 1470260, 2272220, 2499442, 2940520, 4544440, 4998884, 6248605, 9997768, 12497210, 24994420, 49988840]

約数ペア:

[(1, 49988840), (2, 24994420), (4, 12497210), (5, 9997768), (8, 6248605), (10, 4998884), (11, 4544440), (17, 2940520), (20, 2499442), (22, 2272220), (34, 1470260), (40, 1249721), (41, 1219240), (44, 1136110), (55, 908888), (68, 735130), (82, 609620), (85, 588104), (88, 568055), (110, 454444), (136, 367565), (163, 306680), (164, 304810), (170, 294052), (187, 267320), (205, 243848), (220, 227222), (326, 153340), (328, 152405), (340, 147026), (374, 133660), (410, 121924), (440, 113611), (451, 110840), (652, 76670), (680, 73513), (697, 71720), (748, 66830), (815, 61336), (820, 60962), (902, 55420), (935, 53464), (1304, 38335), (1394, 35860), (1496, 33415), (1630, 30668), (1640, 30481), (1793, 27880), (1804, 27710), (1870, 26732), (2255, 22168), (2771, 18040), (2788, 17930), (3260, 15334), (3485, 14344), (3586, 13940), (3608, 13855), (3740, 13366), (4510, 11084), (5542, 9020), (5576, 8965), (6520, 7667), (6683, 7480), (6970, 7172)]