16230940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:403

約数の個数: 72

約数和(自身を含む): 39548880

約数和(自身を除く): 23317940

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 209, 220, 242, 353, 380, 418, 484, 605, 706, 836, 1045, 1210, 1412, 1765, 2090, 2299, 2420, 3530, 3883, 4180, 4598, 6707, 7060, 7766, 9196, 11495, 13414, 15532, 19415, 22990, 26828, 33535, 38830, 42713, 45980, 67070, 73777, 77660, 85426, 134140, 147554, 170852, 213565, 295108, 368885, 427130, 737770, 811547, 854260, 1475540, 1623094, 3246188, 4057735, 8115470, 16230940]

約数ペア:

[(1, 16230940), (2, 8115470), (4, 4057735), (5, 3246188), (10, 1623094), (11, 1475540), (19, 854260), (20, 811547), (22, 737770), (38, 427130), (44, 368885), (55, 295108), (76, 213565), (95, 170852), (110, 147554), (121, 134140), (190, 85426), (209, 77660), (220, 73777), (242, 67070), (353, 45980), (380, 42713), (418, 38830), (484, 33535), (605, 26828), (706, 22990), (836, 19415), (1045, 15532), (1210, 13414), (1412, 11495), (1765, 9196), (2090, 7766), (2299, 7060), (2420, 6707), (3530, 4598), (3883, 4180)]