1390303655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 1958584320

約数和(自身を除く): 568280665

約数列:

[1, 5, 13, 23, 31, 65, 115, 131, 155, 229, 299, 403, 655, 713, 1145, 1495, 1703, 2015, 2977, 3013, 3565, 4061, 5267, 7099, 8515, 9269, 14885, 15065, 20305, 26335, 29999, 35495, 39169, 46345, 52793, 68471, 92287, 93403, 149995, 163277, 195845, 263965, 342355, 389987, 461435, 467015, 689977, 816385, 929969, 1214239, 1949935, 2122601, 3449885, 4649845, 6071195, 8969701, 10613005, 12089597, 21389287, 44848505, 60447985, 106946435, 278060731, 1390303655]

約数ペア:

[(1, 1390303655), (5, 278060731), (13, 106946435), (23, 60447985), (31, 44848505), (65, 21389287), (115, 12089597), (131, 10613005), (155, 8969701), (229, 6071195), (299, 4649845), (403, 3449885), (655, 2122601), (713, 1949935), (1145, 1214239), (1495, 929969), (1703, 816385), (2015, 689977), (2977, 467015), (3013, 461435), (3565, 389987), (4061, 342355), (5267, 263965), (7099, 195845), (8515, 163277), (9269, 149995), (14885, 93403), (15065, 92287), (20305, 68471), (26335, 52793), (29999, 46345), (35495, 39169)]