4894780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1171}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 11813760

約数和(自身を除く): 6918980

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, 1171, 2090, 2342, 4180, 4684, 5855, 11710, 12881, 22249, 23420, 25762, 44498, 51524, 64405, 88996, 111245, 128810, 222490, 244739, 257620, 444980, 489478, 978956, 1223695, 2447390, 4894780]

約数ペア:

[(1, 4894780), (2, 2447390), (4, 1223695), (5, 978956), (10, 489478), (11, 444980), (19, 257620), (20, 244739), (22, 222490), (38, 128810), (44, 111245), (55, 88996), (76, 64405), (95, 51524), (110, 44498), (190, 25762), (209, 23420), (220, 22249), (380, 12881), (418, 11710), (836, 5855), (1045, 4684), (1171, 4180), (2090, 2342)]