807459620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 1978784640

約数和(自身を除く): 1171325020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 89, 92, 110, 115, 121, 163, 178, 220, 230, 242, 253, 326, 356, 445, 460, 484, 506, 605, 652, 815, 890, 979, 1012, 1210, 1265, 1630, 1780, 1793, 1958, 2047, 2420, 2530, 2783, 3260, 3586, 3749, 3916, 4094, 4895, 5060, 5566, 7172, 7498, 8188, 8965, 9790, 10235, 10769, 11132, 13915, 14507, 14996, 17930, 18745, 19580, 19723, 20470, 21538, 22517, 27830, 29014, 35860, 37490, 39446, 40940, 41239, 43076, 45034, 53845, 55660, 58028, 72535, 74980, 78892, 82478, 90068, 98615, 107690, 112585, 145070, 159577, 164956, 197230, 206195, 215380, 225170, 247687, 290140, 319154, 333661, 394460, 412390, 450340, 453629, 495374, 638308, 667322, 797885, 824780, 907258, 990748, 1238435, 1334644, 1595770, 1668305, 1755347, 1814516, 2268145, 2476870, 3191540, 3336610, 3510694, 3670271, 4536290, 4953740, 6673220, 7021388, 7340542, 8776735, 9072580, 14681084, 17553470, 18351355, 35106940, 36702710, 40372981, 73405420, 80745962, 161491924, 201864905, 403729810, 807459620]

約数ペア:

[(1, 807459620), (2, 403729810), (4, 201864905), (5, 161491924), (10, 80745962), (11, 73405420), (20, 40372981), (22, 36702710), (23, 35106940), (44, 18351355), (46, 17553470), (55, 14681084), (89, 9072580), (92, 8776735), (110, 7340542), (115, 7021388), (121, 6673220), (163, 4953740), (178, 4536290), (220, 3670271), (230, 3510694), (242, 3336610), (253, 3191540), (326, 2476870), (356, 2268145), (445, 1814516), (460, 1755347), (484, 1668305), (506, 1595770), (605, 1334644), (652, 1238435), (815, 990748), (890, 907258), (979, 824780), (1012, 797885), (1210, 667322), (1265, 638308), (1630, 495374), (1780, 453629), (1793, 450340), (1958, 412390), (2047, 394460), (2420, 333661), (2530, 319154), (2783, 290140), (3260, 247687), (3586, 225170), (3749, 215380), (3916, 206195), (4094, 197230), (4895, 164956), (5060, 159577), (5566, 145070), (7172, 112585), (7498, 107690), (8188, 98615), (8965, 90068), (9790, 82478), (10235, 78892), (10769, 74980), (11132, 72535), (13915, 58028), (14507, 55660), (14996, 53845), (17930, 45034), (18745, 43076), (19580, 41239), (19723, 40940), (20470, 39446), (21538, 37490), (22517, 35860), (27830, 29014)]