988720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{727}}^1$

素因数の和:757

約数の個数: 40

約数和(自身を含む): 2437344

約数和(自身を除く): 1448624

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 727, 1360, 1454, 2908, 3635, 5816, 7270, 11632, 12359, 14540, 24718, 29080, 49436, 58160, 61795, 98872, 123590, 197744, 247180, 494360, 988720]

約数ペア:

[(1, 988720), (2, 494360), (4, 247180), (5, 197744), (8, 123590), (10, 98872), (16, 61795), (17, 58160), (20, 49436), (34, 29080), (40, 24718), (68, 14540), (80, 12359), (85, 11632), (136, 7270), (170, 5816), (272, 3635), (340, 2908), (680, 1454), (727, 1360)]