211673870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{7477}}^1$

素因数の和:7652

約数の個数: 32

約数和(自身を含む): 403812000

約数和(自身を除く): 192138130

約数列:

[1, 2, 5, 10, 19, 38, 95, 149, 190, 298, 745, 1490, 2831, 5662, 7477, 14155, 14954, 28310, 37385, 74770, 142063, 284126, 710315, 1114073, 1420630, 2228146, 5570365, 11140730, 21167387, 42334774, 105836935, 211673870]

約数ペア:

[(1, 211673870), (2, 105836935), (5, 42334774), (10, 21167387), (19, 11140730), (38, 5570365), (95, 2228146), (149, 1420630), (190, 1114073), (298, 710315), (745, 284126), (1490, 142063), (2831, 74770), (5662, 37385), (7477, 28310), (14155, 14954)]