191877980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{80621}}^1$

素因数の和:80654

約数の個数: 48

約数和(自身を含む): 487601856

約数和(自身を除く): 295723876

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 80621, 161242, 322484, 403105, 564347, 806210, 1128694, 1370557, 1612420, 2257388, 2741114, 2821735, 5482228, 5643470, 6852785, 9593899, 11286940, 13705570, 19187798, 27411140, 38375596, 47969495, 95938990, 191877980]

約数ペア:

[(1, 191877980), (2, 95938990), (4, 47969495), (5, 38375596), (7, 27411140), (10, 19187798), (14, 13705570), (17, 11286940), (20, 9593899), (28, 6852785), (34, 5643470), (35, 5482228), (68, 2821735), (70, 2741114), (85, 2257388), (119, 1612420), (140, 1370557), (170, 1128694), (238, 806210), (340, 564347), (476, 403105), (595, 322484), (1190, 161242), (2380, 80621)]