54941320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{821}}^1$

素因数の和:1078

約数の個数: 64

約数和(自身を含む): 142041600

約数和(自身を除く): 87100280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 280, 478, 821, 956, 1195, 1642, 1673, 1912, 2390, 3284, 3346, 4105, 4780, 5747, 6568, 6692, 8210, 8365, 9560, 11494, 13384, 16420, 16730, 22988, 28735, 32840, 33460, 45976, 57470, 66920, 114940, 196219, 229880, 392438, 784876, 981095, 1373533, 1569752, 1962190, 2747066, 3924380, 5494132, 6867665, 7848760, 10988264, 13735330, 27470660, 54941320]

約数ペア:

[(1, 54941320), (2, 27470660), (4, 13735330), (5, 10988264), (7, 7848760), (8, 6867665), (10, 5494132), (14, 3924380), (20, 2747066), (28, 1962190), (35, 1569752), (40, 1373533), (56, 981095), (70, 784876), (140, 392438), (239, 229880), (280, 196219), (478, 114940), (821, 66920), (956, 57470), (1195, 45976), (1642, 33460), (1673, 32840), (1912, 28735), (2390, 22988), (3284, 16730), (3346, 16420), (4105, 13384), (4780, 11494), (5747, 9560), (6568, 8365), (6692, 8210)]