51893940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{929}}^1$

素因数の和:974

約数の個数: 144

約数和(自身を含む): 178113600

約数和(自身を除く): 126219660

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, 929, 931, 980, 1140, 1330, 1470, 1596, 1858, 1862, 1995, 2660, 2787, 2793, 2940, 3716, 3724, 3990, 4645, 4655, 5574, 5586, 6503, 7980, 9290, 9310, 11148, 11172, 13006, 13935, 13965, 17651, 18580, 18620, 19509, 26012, 27870, 27930, 32515, 35302, 39018, 45521, 52953, 55740, 55860, 65030, 70604, 78036, 88255, 91042, 97545, 105906, 123557, 130060, 136563, 176510, 182084, 195090, 211812, 227605, 247114, 264765, 273126, 353020, 370671, 390180, 455210, 494228, 529530, 546252, 617785, 682815, 741342, 864899, 910420, 1059060, 1235570, 1365630, 1482684, 1729798, 1853355, 2471140, 2594697, 2731260, 3459596, 3706710, 4324495, 5189394, 7413420, 8648990, 10378788, 12973485, 17297980, 25946970, 51893940]

約数ペア:

[(1, 51893940), (2, 25946970), (3, 17297980), (4, 12973485), (5, 10378788), (6, 8648990), (7, 7413420), (10, 5189394), (12, 4324495), (14, 3706710), (15, 3459596), (19, 2731260), (20, 2594697), (21, 2471140), (28, 1853355), (30, 1729798), (35, 1482684), (38, 1365630), (42, 1235570), (49, 1059060), (57, 910420), (60, 864899), (70, 741342), (76, 682815), (84, 617785), (95, 546252), (98, 529530), (105, 494228), (114, 455210), (133, 390180), (140, 370671), (147, 353020), (190, 273126), (196, 264765), (210, 247114), (228, 227605), (245, 211812), (266, 195090), (285, 182084), (294, 176510), (380, 136563), (399, 130060), (420, 123557), (490, 105906), (532, 97545), (570, 91042), (588, 88255), (665, 78036), (735, 70604), (798, 65030), (929, 55860), (931, 55740), (980, 52953), (1140, 45521), (1330, 39018), (1470, 35302), (1596, 32515), (1858, 27930), (1862, 27870), (1995, 26012), (2660, 19509), (2787, 18620), (2793, 18580), (2940, 17651), (3716, 13965), (3724, 13935), (3990, 13006), (4645, 11172), (4655, 11148), (5574, 9310), (5586, 9290), (6503, 7980)]