397472020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{95089}}^1$

素因数の和:95128

約数の個数: 48

約数和(自身を含む): 958507200

約数和(自身を除く): 561035180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 95089, 190178, 380356, 475445, 950890, 1045979, 1806691, 1901780, 2091958, 3613382, 4183916, 5229895, 7226764, 9033455, 10459790, 18066910, 19873601, 20919580, 36133820, 39747202, 79494404, 99368005, 198736010, 397472020]

約数ペア:

[(1, 397472020), (2, 198736010), (4, 99368005), (5, 79494404), (10, 39747202), (11, 36133820), (19, 20919580), (20, 19873601), (22, 18066910), (38, 10459790), (44, 9033455), (55, 7226764), (76, 5229895), (95, 4183916), (110, 3613382), (190, 2091958), (209, 1901780), (220, 1806691), (380, 1045979), (418, 950890), (836, 475445), (1045, 380356), (2090, 190178), (4180, 95089)]