28969190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 59719680

約数和(自身を除く): 30750490

約数列:

[1, 2, 5, 10, 17, 23, 31, 34, 46, 62, 85, 115, 155, 170, 230, 239, 310, 391, 478, 527, 713, 782, 1054, 1195, 1426, 1955, 2390, 2635, 3565, 3910, 4063, 5270, 5497, 7130, 7409, 8126, 10994, 12121, 14818, 20315, 24242, 27485, 37045, 40630, 54970, 60605, 74090, 93449, 121210, 125953, 170407, 186898, 251906, 340814, 467245, 629765, 852035, 934490, 1259530, 1704070, 2896919, 5793838, 14484595, 28969190]

約数ペア:

[(1, 28969190), (2, 14484595), (5, 5793838), (10, 2896919), (17, 1704070), (23, 1259530), (31, 934490), (34, 852035), (46, 629765), (62, 467245), (85, 340814), (115, 251906), (155, 186898), (170, 170407), (230, 125953), (239, 121210), (310, 93449), (391, 74090), (478, 60605), (527, 54970), (713, 40630), (782, 37045), (1054, 27485), (1195, 24242), (1426, 20315), (1955, 14818), (2390, 12121), (2635, 10994), (3565, 8126), (3910, 7409), (4063, 7130), (5270, 5497)]