201729009920

素因数分解:

$2^8\times 5^1\times {\mathrm{647}}^1\times {\mathrm{243587}}^1$

素因数の和:244255

約数の個数: 72

約数和(自身を含む): 483952843584

約数和(自身を除く): 282223833664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 647, 1280, 1294, 2588, 3235, 5176, 6470, 10352, 12940, 20704, 25880, 41408, 51760, 82816, 103520, 165632, 207040, 243587, 414080, 487174, 828160, 974348, 1217935, 1948696, 2435870, 3897392, 4871740, 7794784, 9743480, 15589568, 19486960, 31179136, 38973920, 62358272, 77947840, 155895680, 157600789, 311791360, 315201578, 630403156, 788003945, 1260806312, 1576007890, 2521612624, 3152015780, 5043225248, 6304031560, 10086450496, 12608063120, 20172900992, 25216126240, 40345801984, 50432252480, 100864504960, 201729009920]

約数ペア:

[(1, 201729009920), (2, 100864504960), (4, 50432252480), (5, 40345801984), (8, 25216126240), (10, 20172900992), (16, 12608063120), (20, 10086450496), (32, 6304031560), (40, 5043225248), (64, 3152015780), (80, 2521612624), (128, 1576007890), (160, 1260806312), (256, 788003945), (320, 630403156), (640, 315201578), (647, 311791360), (1280, 157600789), (1294, 155895680), (2588, 77947840), (3235, 62358272), (5176, 38973920), (6470, 31179136), (10352, 19486960), (12940, 15589568), (20704, 9743480), (25880, 7794784), (41408, 4871740), (51760, 3897392), (82816, 2435870), (103520, 1948696), (165632, 1217935), (207040, 974348), (243587, 828160), (414080, 487174)]