262555720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{1381}}^1$

素因数の和:1503

約数の個数: 96

約数和(自身を含む): 694786680

約数和(自身を除く): 432230960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 97, 98, 140, 194, 196, 245, 280, 388, 392, 485, 490, 679, 776, 970, 980, 1358, 1381, 1940, 1960, 2716, 2762, 3395, 3880, 4753, 5432, 5524, 6790, 6905, 9506, 9667, 11048, 13580, 13810, 19012, 19334, 23765, 27160, 27620, 38024, 38668, 47530, 48335, 55240, 67669, 77336, 95060, 96670, 133957, 135338, 190120, 193340, 267914, 270676, 338345, 386680, 535828, 541352, 669785, 676690, 937699, 1071656, 1339570, 1353380, 1875398, 2679140, 2706760, 3750796, 4688495, 5358280, 6563893, 7501592, 9376990, 13127786, 18753980, 26255572, 32819465, 37507960, 52511144, 65638930, 131277860, 262555720]

約数ペア:

[(1, 262555720), (2, 131277860), (4, 65638930), (5, 52511144), (7, 37507960), (8, 32819465), (10, 26255572), (14, 18753980), (20, 13127786), (28, 9376990), (35, 7501592), (40, 6563893), (49, 5358280), (56, 4688495), (70, 3750796), (97, 2706760), (98, 2679140), (140, 1875398), (194, 1353380), (196, 1339570), (245, 1071656), (280, 937699), (388, 676690), (392, 669785), (485, 541352), (490, 535828), (679, 386680), (776, 338345), (970, 270676), (980, 267914), (1358, 193340), (1381, 190120), (1940, 135338), (1960, 133957), (2716, 96670), (2762, 95060), (3395, 77336), (3880, 67669), (4753, 55240), (5432, 48335), (5524, 47530), (6790, 38668), (6905, 38024), (9506, 27620), (9667, 27160), (11048, 23765), (13580, 19334), (13810, 19012)]