402758903080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{81671}}^1$

素因数の和:81851

約数の個数: 128

約数和(自身を含む): 968146421760

約数和(自身を除く): 565387518680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 97, 124, 155, 164, 194, 205, 248, 310, 328, 388, 410, 485, 620, 776, 820, 970, 1240, 1271, 1640, 1940, 2542, 3007, 3880, 3977, 5084, 6014, 6355, 7954, 10168, 12028, 12710, 15035, 15908, 19885, 24056, 25420, 30070, 31816, 39770, 50840, 60140, 79540, 81671, 120280, 123287, 159080, 163342, 246574, 326684, 408355, 493148, 616435, 653368, 816710, 986296, 1232870, 1633420, 2465740, 2531801, 3266840, 3348511, 4931480, 5063602, 6697022, 7922087, 10127204, 12659005, 13394044, 15844174, 16742555, 20254408, 25318010, 26788088, 31688348, 33485110, 39610435, 50636020, 63376696, 66970220, 79220870, 101272040, 103803841, 133940440, 158441740, 207607682, 245584697, 316883480, 324805567, 415215364, 491169394, 519019205, 649611134, 830430728, 982338788, 1038038410, 1227923485, 1299222268, 1624027835, 1964677576, 2076076820, 2455846970, 2598444536, 3248055670, 4152153640, 4911693940, 6496111340, 9823387880, 10068972577, 12992222680, 20137945154, 40275890308, 50344862885, 80551780616, 100689725770, 201379451540, 402758903080]

約数ペア:

[(1, 402758903080), (2, 201379451540), (4, 100689725770), (5, 80551780616), (8, 50344862885), (10, 40275890308), (20, 20137945154), (31, 12992222680), (40, 10068972577), (41, 9823387880), (62, 6496111340), (82, 4911693940), (97, 4152153640), (124, 3248055670), (155, 2598444536), (164, 2455846970), (194, 2076076820), (205, 1964677576), (248, 1624027835), (310, 1299222268), (328, 1227923485), (388, 1038038410), (410, 982338788), (485, 830430728), (620, 649611134), (776, 519019205), (820, 491169394), (970, 415215364), (1240, 324805567), (1271, 316883480), (1640, 245584697), (1940, 207607682), (2542, 158441740), (3007, 133940440), (3880, 103803841), (3977, 101272040), (5084, 79220870), (6014, 66970220), (6355, 63376696), (7954, 50636020), (10168, 39610435), (12028, 33485110), (12710, 31688348), (15035, 26788088), (15908, 25318010), (19885, 20254408), (24056, 16742555), (25420, 15844174), (30070, 13394044), (31816, 12659005), (39770, 10127204), (50840, 7922087), (60140, 6697022), (79540, 5063602), (81671, 4931480), (120280, 3348511), (123287, 3266840), (159080, 2531801), (163342, 2465740), (246574, 1633420), (326684, 1232870), (408355, 986296), (493148, 816710), (616435, 653368)]