420121065

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:311

約数の個数: 128

約数和(自身を含む): 885104640

約数和(自身を除く): 464983575

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 35, 39, 57, 65, 91, 95, 97, 105, 133, 167, 195, 247, 273, 285, 291, 399, 455, 485, 501, 665, 679, 741, 835, 1169, 1235, 1261, 1365, 1455, 1729, 1843, 1995, 2037, 2171, 2505, 3173, 3395, 3507, 3705, 3783, 5187, 5529, 5845, 6305, 6513, 8645, 8827, 9215, 9519, 10185, 10855, 12901, 15197, 15865, 16199, 17535, 18915, 22211, 23959, 25935, 26481, 27645, 32565, 38703, 41249, 44135, 45591, 47595, 48597, 64505, 66633, 71877, 75985, 80995, 111055, 113393, 119795, 123747, 132405, 167713, 193515, 206245, 210587, 227955, 242985, 288743, 307781, 333165, 340179, 359385, 503139, 566965, 618735, 631761, 838565, 866229, 923343, 1052935, 1443715, 1474109, 1538905, 1700895, 2154467, 2515695, 3158805, 4001153, 4331145, 4422327, 4616715, 6463401, 7370545, 10772335, 12003459, 20005765, 22111635, 28008071, 32317005, 60017295, 84024213, 140040355, 420121065]

約数ペア:

[(1, 420121065), (3, 140040355), (5, 84024213), (7, 60017295), (13, 32317005), (15, 28008071), (19, 22111635), (21, 20005765), (35, 12003459), (39, 10772335), (57, 7370545), (65, 6463401), (91, 4616715), (95, 4422327), (97, 4331145), (105, 4001153), (133, 3158805), (167, 2515695), (195, 2154467), (247, 1700895), (273, 1538905), (285, 1474109), (291, 1443715), (399, 1052935), (455, 923343), (485, 866229), (501, 838565), (665, 631761), (679, 618735), (741, 566965), (835, 503139), (1169, 359385), (1235, 340179), (1261, 333165), (1365, 307781), (1455, 288743), (1729, 242985), (1843, 227955), (1995, 210587), (2037, 206245), (2171, 193515), (2505, 167713), (3173, 132405), (3395, 123747), (3507, 119795), (3705, 113393), (3783, 111055), (5187, 80995), (5529, 75985), (5845, 71877), (6305, 66633), (6513, 64505), (8645, 48597), (8827, 47595), (9215, 45591), (9519, 44135), (10185, 41249), (10855, 38703), (12901, 32565), (15197, 27645), (15865, 26481), (16199, 25935), (17535, 23959), (18915, 22211)]