395133040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{290539}}^1$

素因数の和:290569

約数の個数: 40

約数和(自身を含む): 972727920

約数和(自身を除く): 577594880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 290539, 581078, 1162156, 1452695, 2324312, 2905390, 4648624, 4939163, 5810780, 9878326, 11621560, 19756652, 23243120, 24695815, 39513304, 49391630, 79026608, 98783260, 197566520, 395133040]

約数ペア:

[(1, 395133040), (2, 197566520), (4, 98783260), (5, 79026608), (8, 49391630), (10, 39513304), (16, 24695815), (17, 23243120), (20, 19756652), (34, 11621560), (40, 9878326), (68, 5810780), (80, 4939163), (85, 4648624), (136, 2905390), (170, 2324312), (272, 1452695), (340, 1162156), (680, 581078), (1360, 290539)]