253995420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4547}}^1$

素因数の和:4592

約数の個数: 144

約数和(自身を含む): 871032960

約数和(自身を除く): 617037540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1470, 1596, 1862, 1995, 2660, 2793, 2940, 3724, 3990, 4547, 4655, 5586, 7980, 9094, 9310, 11172, 13641, 13965, 18188, 18620, 22735, 27282, 27930, 31829, 45470, 54564, 55860, 63658, 68205, 86393, 90940, 95487, 127316, 136410, 159145, 172786, 190974, 222803, 259179, 272820, 318290, 345572, 381948, 431965, 445606, 477435, 518358, 604751, 636580, 668409, 863930, 891212, 954870, 1036716, 1114015, 1209502, 1295895, 1336818, 1727860, 1814253, 1909740, 2228030, 2419004, 2591790, 2673636, 3023755, 3342045, 3628506, 4233257, 4456060, 5183580, 6047510, 6684090, 7257012, 8466514, 9071265, 12095020, 12699771, 13368180, 16933028, 18142530, 21166285, 25399542, 36285060, 42332570, 50799084, 63498855, 84665140, 126997710, 253995420]

約数ペア:

[(1, 253995420), (2, 126997710), (3, 84665140), (4, 63498855), (5, 50799084), (6, 42332570), (7, 36285060), (10, 25399542), (12, 21166285), (14, 18142530), (15, 16933028), (19, 13368180), (20, 12699771), (21, 12095020), (28, 9071265), (30, 8466514), (35, 7257012), (38, 6684090), (42, 6047510), (49, 5183580), (57, 4456060), (60, 4233257), (70, 3628506), (76, 3342045), (84, 3023755), (95, 2673636), (98, 2591790), (105, 2419004), (114, 2228030), (133, 1909740), (140, 1814253), (147, 1727860), (190, 1336818), (196, 1295895), (210, 1209502), (228, 1114015), (245, 1036716), (266, 954870), (285, 891212), (294, 863930), (380, 668409), (399, 636580), (420, 604751), (490, 518358), (532, 477435), (570, 445606), (588, 431965), (665, 381948), (735, 345572), (798, 318290), (931, 272820), (980, 259179), (1140, 222803), (1330, 190974), (1470, 172786), (1596, 159145), (1862, 136410), (1995, 127316), (2660, 95487), (2793, 90940), (2940, 86393), (3724, 68205), (3990, 63658), (4547, 55860), (4655, 54564), (5586, 45470), (7980, 31829), (9094, 27930), (9310, 27282), (11172, 22735), (13641, 18620), (13965, 18188)]