919976990

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1\times {\mathrm{4201}}^1$

素因数の和:4628

約数の個数: 32

約数和(自身を含む): 1688195520

約数和(自身を除く): 768218530

約数列:

[1, 2, 5, 10, 61, 122, 305, 359, 610, 718, 1795, 3590, 4201, 8402, 21005, 21899, 42010, 43798, 109495, 218990, 256261, 512522, 1281305, 1508159, 2562610, 3016318, 7540795, 15081590, 91997699, 183995398, 459988495, 919976990]

約数ペア:

[(1, 919976990), (2, 459988495), (5, 183995398), (10, 91997699), (61, 15081590), (122, 7540795), (305, 3016318), (359, 2562610), (610, 1508159), (718, 1281305), (1795, 512522), (3590, 256261), (4201, 218990), (8402, 109495), (21005, 43798), (21899, 42010)]