388675690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{787}}^1$

素因数の和:967

約数の個数: 64

約数和(自身を含む): 786360960

約数和(自身を除く): 397685270

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 131, 145, 262, 290, 377, 655, 754, 787, 1310, 1574, 1703, 1885, 3406, 3770, 3799, 3935, 7598, 7870, 8515, 10231, 17030, 18995, 20462, 22823, 37990, 45646, 49387, 51155, 98774, 102310, 103097, 114115, 206194, 228230, 246935, 296699, 493870, 515485, 593398, 1030970, 1340261, 1483495, 2680522, 2966990, 2989813, 5979626, 6701305, 13402610, 14949065, 29898130, 38867569, 77735138, 194337845, 388675690]

約数ペア:

[(1, 388675690), (2, 194337845), (5, 77735138), (10, 38867569), (13, 29898130), (26, 14949065), (29, 13402610), (58, 6701305), (65, 5979626), (130, 2989813), (131, 2966990), (145, 2680522), (262, 1483495), (290, 1340261), (377, 1030970), (655, 593398), (754, 515485), (787, 493870), (1310, 296699), (1574, 246935), (1703, 228230), (1885, 206194), (3406, 114115), (3770, 103097), (3799, 102310), (3935, 98774), (7598, 51155), (7870, 49387), (8515, 45646), (10231, 37990), (17030, 22823), (18995, 20462)]