291268860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{255499}}^1$

素因数の和:255530

約数の個数: 48

約数和(自身を含む): 858480000

約数和(自身を除く): 567211140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 255499, 510998, 766497, 1021996, 1277495, 1532994, 2554990, 3065988, 3832485, 4854481, 5109980, 7664970, 9708962, 14563443, 15329940, 19417924, 24272405, 29126886, 48544810, 58253772, 72817215, 97089620, 145634430, 291268860]

約数ペア:

[(1, 291268860), (2, 145634430), (3, 97089620), (4, 72817215), (5, 58253772), (6, 48544810), (10, 29126886), (12, 24272405), (15, 19417924), (19, 15329940), (20, 14563443), (30, 9708962), (38, 7664970), (57, 5109980), (60, 4854481), (76, 3832485), (95, 3065988), (114, 2554990), (190, 1532994), (228, 1277495), (285, 1021996), (380, 766497), (570, 510998), (1140, 255499)]