398533120

素因数分解:

$2^9\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3797}}^1$

素因数の和:3861

約数の個数: 80

約数和(自身を含む): 979109208

約数和(自身を除く): 580576088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 512, 640, 656, 820, 1280, 1312, 1640, 2560, 2624, 3280, 3797, 5248, 6560, 7594, 10496, 13120, 15188, 18985, 20992, 26240, 30376, 37970, 52480, 60752, 75940, 104960, 121504, 151880, 155677, 243008, 303760, 311354, 486016, 607520, 622708, 778385, 972032, 1215040, 1245416, 1556770, 1944064, 2430080, 2490832, 3113540, 4860160, 4981664, 6227080, 9720320, 9963328, 12454160, 19926656, 24908320, 39853312, 49816640, 79706624, 99633280, 199266560, 398533120]

約数ペア:

[(1, 398533120), (2, 199266560), (4, 99633280), (5, 79706624), (8, 49816640), (10, 39853312), (16, 24908320), (20, 19926656), (32, 12454160), (40, 9963328), (41, 9720320), (64, 6227080), (80, 4981664), (82, 4860160), (128, 3113540), (160, 2490832), (164, 2430080), (205, 1944064), (256, 1556770), (320, 1245416), (328, 1215040), (410, 972032), (512, 778385), (640, 622708), (656, 607520), (820, 486016), (1280, 311354), (1312, 303760), (1640, 243008), (2560, 155677), (2624, 151880), (3280, 121504), (3797, 104960), (5248, 75940), (6560, 60752), (7594, 52480), (10496, 37970), (13120, 30376), (15188, 26240), (18985, 20992)]