7156722440

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{359}}^1\times {\mathrm{1453}}^1$

素因数の和:1844

約数の個数: 128

約数和(自身を含む): 18843840000

約数和(自身を除く): 11687117560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 359, 392, 490, 686, 718, 980, 1372, 1436, 1453, 1715, 1795, 1960, 2513, 2744, 2872, 2906, 3430, 3590, 5026, 5812, 6860, 7180, 7265, 10052, 10171, 11624, 12565, 13720, 14360, 14530, 17591, 20104, 20342, 25130, 29060, 35182, 40684, 50260, 50855, 58120, 70364, 71197, 81368, 87955, 100520, 101710, 123137, 140728, 142394, 175910, 203420, 246274, 284788, 351820, 355985, 406840, 492548, 498379, 521627, 569576, 615685, 703640, 711970, 985096, 996758, 1043254, 1231370, 1423940, 1993516, 2086508, 2462740, 2491895, 2608135, 2847880, 3651389, 3987032, 4173016, 4925480, 4983790, 5216270, 7302778, 9967580, 10432540, 14605556, 18256945, 19935160, 20865080, 25559723, 29211112, 36513890, 51119446, 73027780, 102238892, 127798615, 146055560, 178918061, 204477784, 255597230, 357836122, 511194460, 715672244, 894590305, 1022388920, 1431344488, 1789180610, 3578361220, 7156722440]

約数ペア:

[(1, 7156722440), (2, 3578361220), (4, 1789180610), (5, 1431344488), (7, 1022388920), (8, 894590305), (10, 715672244), (14, 511194460), (20, 357836122), (28, 255597230), (35, 204477784), (40, 178918061), (49, 146055560), (56, 127798615), (70, 102238892), (98, 73027780), (140, 51119446), (196, 36513890), (245, 29211112), (280, 25559723), (343, 20865080), (359, 19935160), (392, 18256945), (490, 14605556), (686, 10432540), (718, 9967580), (980, 7302778), (1372, 5216270), (1436, 4983790), (1453, 4925480), (1715, 4173016), (1795, 3987032), (1960, 3651389), (2513, 2847880), (2744, 2608135), (2872, 2491895), (2906, 2462740), (3430, 2086508), (3590, 1993516), (5026, 1423940), (5812, 1231370), (6860, 1043254), (7180, 996758), (7265, 985096), (10052, 711970), (10171, 703640), (11624, 615685), (12565, 569576), (13720, 521627), (14360, 498379), (14530, 492548), (17591, 406840), (20104, 355985), (20342, 351820), (25130, 284788), (29060, 246274), (35182, 203420), (40684, 175910), (50260, 142394), (50855, 140728), (58120, 123137), (70364, 101710), (71197, 100520), (81368, 87955)]