4868890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:143

約数の個数: 48

約数和(自身を含む): 9855648

約数和(自身を除く): 4986758

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 67, 86, 130, 134, 169, 215, 335, 338, 430, 559, 670, 845, 871, 1118, 1690, 1742, 2795, 2881, 4355, 5590, 5762, 7267, 8710, 11323, 14405, 14534, 22646, 28810, 36335, 37453, 56615, 72670, 74906, 113230, 187265, 374530, 486889, 973778, 2434445, 4868890]

約数ペア:

[(1, 4868890), (2, 2434445), (5, 973778), (10, 486889), (13, 374530), (26, 187265), (43, 113230), (65, 74906), (67, 72670), (86, 56615), (130, 37453), (134, 36335), (169, 28810), (215, 22646), (335, 14534), (338, 14405), (430, 11323), (559, 8710), (670, 7267), (845, 5762), (871, 5590), (1118, 4355), (1690, 2881), (1742, 2795)]