1229996990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{40823}}^1$

素因数の和:40984

約数の個数: 32

約数和(自身を含む): 2327947776

約数和(自身を除く): 1097950786

約数列:

[1, 2, 5, 10, 23, 46, 115, 131, 230, 262, 655, 1310, 3013, 6026, 15065, 30130, 40823, 81646, 204115, 408230, 938929, 1877858, 4694645, 5347813, 9389290, 10695626, 26739065, 53478130, 122999699, 245999398, 614998495, 1229996990]

約数ペア:

[(1, 1229996990), (2, 614998495), (5, 245999398), (10, 122999699), (23, 53478130), (46, 26739065), (115, 10695626), (131, 9389290), (230, 5347813), (262, 4694645), (655, 1877858), (1310, 938929), (3013, 408230), (6026, 204115), (15065, 81646), (30130, 40823)]