172990860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{411883}}^1$

素因数の和:411902

約数の個数: 48

約数和(自身を含む): 553572096

約数和(自身を除く): 380581236

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 411883, 823766, 1235649, 1647532, 2059415, 2471298, 2883181, 4118830, 4942596, 5766362, 6178245, 8237660, 8649543, 11532724, 12356490, 14415905, 17299086, 24712980, 28831810, 34598172, 43247715, 57663620, 86495430, 172990860]

約数ペア:

[(1, 172990860), (2, 86495430), (3, 57663620), (4, 43247715), (5, 34598172), (6, 28831810), (7, 24712980), (10, 17299086), (12, 14415905), (14, 12356490), (15, 11532724), (20, 8649543), (21, 8237660), (28, 6178245), (30, 5766362), (35, 4942596), (42, 4118830), (60, 2883181), (70, 2471298), (84, 2059415), (105, 1647532), (140, 1235649), (210, 823766), (420, 411883)]