251769080

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{1153}}^1$

素因数の和:1320

約数の個数: 64

約数和(自身を含む): 583277760

約数和(自身を除く): 331508680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 103, 106, 206, 212, 265, 412, 424, 515, 530, 824, 1030, 1060, 1153, 2060, 2120, 2306, 4120, 4612, 5459, 5765, 9224, 10918, 11530, 21836, 23060, 27295, 43672, 46120, 54590, 61109, 109180, 118759, 122218, 218360, 237518, 244436, 305545, 475036, 488872, 593795, 611090, 950072, 1187590, 1222180, 2375180, 2444360, 4750360, 6294227, 12588454, 25176908, 31471135, 50353816, 62942270, 125884540, 251769080]

約数ペア:

[(1, 251769080), (2, 125884540), (4, 62942270), (5, 50353816), (8, 31471135), (10, 25176908), (20, 12588454), (40, 6294227), (53, 4750360), (103, 2444360), (106, 2375180), (206, 1222180), (212, 1187590), (265, 950072), (412, 611090), (424, 593795), (515, 488872), (530, 475036), (824, 305545), (1030, 244436), (1060, 237518), (1153, 218360), (2060, 122218), (2120, 118759), (2306, 109180), (4120, 61109), (4612, 54590), (5459, 46120), (5765, 43672), (9224, 27295), (10918, 23060), (11530, 21836)]