2185389640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{3187}}^1$

素因数の和:3315

約数の個数: 128

約数和(自身を含む): 5876121600

約数和(自身を除く): 3690731960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 79, 124, 140, 155, 158, 217, 248, 280, 310, 316, 395, 434, 553, 620, 632, 790, 868, 1085, 1106, 1240, 1580, 1736, 2170, 2212, 2449, 2765, 3160, 3187, 4340, 4424, 4898, 5530, 6374, 8680, 9796, 11060, 12245, 12748, 15935, 17143, 19592, 22120, 22309, 24490, 25496, 31870, 34286, 44618, 48980, 63740, 68572, 85715, 89236, 97960, 98797, 111545, 127480, 137144, 171430, 178472, 197594, 223090, 251773, 342860, 395188, 446180, 493985, 503546, 685720, 691579, 790376, 892360, 987970, 1007092, 1258865, 1383158, 1762411, 1975940, 2014184, 2517730, 2766316, 3457895, 3524822, 3951880, 5035460, 5532632, 6915790, 7049644, 7804963, 8812055, 10070920, 13831580, 14099288, 15609926, 17624110, 27663160, 31219852, 35248220, 39024815, 54634741, 62439704, 70496440, 78049630, 109269482, 156099260, 218538964, 273173705, 312198520, 437077928, 546347410, 1092694820, 2185389640]

約数ペア:

[(1, 2185389640), (2, 1092694820), (4, 546347410), (5, 437077928), (7, 312198520), (8, 273173705), (10, 218538964), (14, 156099260), (20, 109269482), (28, 78049630), (31, 70496440), (35, 62439704), (40, 54634741), (56, 39024815), (62, 35248220), (70, 31219852), (79, 27663160), (124, 17624110), (140, 15609926), (155, 14099288), (158, 13831580), (217, 10070920), (248, 8812055), (280, 7804963), (310, 7049644), (316, 6915790), (395, 5532632), (434, 5035460), (553, 3951880), (620, 3524822), (632, 3457895), (790, 2766316), (868, 2517730), (1085, 2014184), (1106, 1975940), (1240, 1762411), (1580, 1383158), (1736, 1258865), (2170, 1007092), (2212, 987970), (2449, 892360), (2765, 790376), (3160, 691579), (3187, 685720), (4340, 503546), (4424, 493985), (4898, 446180), (5530, 395188), (6374, 342860), (8680, 251773), (9796, 223090), (11060, 197594), (12245, 178472), (12748, 171430), (15935, 137144), (17143, 127480), (19592, 111545), (22120, 98797), (22309, 97960), (24490, 89236), (25496, 85715), (31870, 68572), (34286, 63740), (44618, 48980)]