28181370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1009}}^1$

素因数の和:1052

約数の個数: 96

約数和(自身を含む): 82900800

約数和(自身を除く): 54719430

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 49, 57, 70, 95, 98, 105, 114, 133, 147, 190, 210, 245, 266, 285, 294, 399, 490, 570, 665, 735, 798, 931, 1009, 1330, 1470, 1862, 1995, 2018, 2793, 3027, 3990, 4655, 5045, 5586, 6054, 7063, 9310, 10090, 13965, 14126, 15135, 19171, 21189, 27930, 30270, 35315, 38342, 42378, 49441, 57513, 70630, 95855, 98882, 105945, 115026, 134197, 148323, 191710, 211890, 247205, 268394, 287565, 296646, 402591, 494410, 575130, 670985, 741615, 805182, 939379, 1341970, 1483230, 1878758, 2012955, 2818137, 4025910, 4696895, 5636274, 9393790, 14090685, 28181370]

約数ペア:

[(1, 28181370), (2, 14090685), (3, 9393790), (5, 5636274), (6, 4696895), (7, 4025910), (10, 2818137), (14, 2012955), (15, 1878758), (19, 1483230), (21, 1341970), (30, 939379), (35, 805182), (38, 741615), (42, 670985), (49, 575130), (57, 494410), (70, 402591), (95, 296646), (98, 287565), (105, 268394), (114, 247205), (133, 211890), (147, 191710), (190, 148323), (210, 134197), (245, 115026), (266, 105945), (285, 98882), (294, 95855), (399, 70630), (490, 57513), (570, 49441), (665, 42378), (735, 38342), (798, 35315), (931, 30270), (1009, 27930), (1330, 21189), (1470, 19171), (1862, 15135), (1995, 14126), (2018, 13965), (2793, 10090), (3027, 9310), (3990, 7063), (4655, 6054), (5045, 5586)]