8906980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 21043008

約数和(自身を除く): 12136028

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 67, 68, 85, 92, 115, 134, 170, 230, 268, 289, 335, 340, 391, 460, 578, 670, 782, 1139, 1156, 1340, 1445, 1541, 1564, 1955, 2278, 2890, 3082, 3910, 4556, 5695, 5780, 6164, 6647, 7705, 7820, 11390, 13294, 15410, 19363, 22780, 26197, 26588, 30820, 33235, 38726, 52394, 66470, 77452, 96815, 104788, 130985, 132940, 193630, 261970, 387260, 445349, 523940, 890698, 1781396, 2226745, 4453490, 8906980]

約数ペア:

[(1, 8906980), (2, 4453490), (4, 2226745), (5, 1781396), (10, 890698), (17, 523940), (20, 445349), (23, 387260), (34, 261970), (46, 193630), (67, 132940), (68, 130985), (85, 104788), (92, 96815), (115, 77452), (134, 66470), (170, 52394), (230, 38726), (268, 33235), (289, 30820), (335, 26588), (340, 26197), (391, 22780), (460, 19363), (578, 15410), (670, 13294), (782, 11390), (1139, 7820), (1156, 7705), (1340, 6647), (1445, 6164), (1541, 5780), (1564, 5695), (1955, 4556), (2278, 3910), (2890, 3082)]