401020795

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 591123456

約数和(自身を除く): 190102661

約数列:

[1, 5, 7, 35, 41, 43, 67, 97, 205, 215, 287, 301, 335, 469, 485, 679, 1435, 1505, 1763, 2345, 2747, 2881, 3395, 3977, 4171, 6499, 8815, 12341, 13735, 14405, 19229, 19885, 20167, 20855, 27839, 29197, 32495, 45493, 61705, 96145, 100835, 118121, 139195, 145985, 171011, 227465, 266459, 279457, 590605, 826847, 855055, 1197077, 1332295, 1397285, 1865213, 1956199, 4134235, 5985385, 9326065, 9780995, 11457737, 57288685, 80204159, 401020795]

約数ペア:

[(1, 401020795), (5, 80204159), (7, 57288685), (35, 11457737), (41, 9780995), (43, 9326065), (67, 5985385), (97, 4134235), (205, 1956199), (215, 1865213), (287, 1397285), (301, 1332295), (335, 1197077), (469, 855055), (485, 826847), (679, 590605), (1435, 279457), (1505, 266459), (1763, 227465), (2345, 171011), (2747, 145985), (2881, 139195), (3395, 118121), (3977, 100835), (4171, 96145), (6499, 61705), (8815, 45493), (12341, 32495), (13735, 29197), (14405, 27839), (19229, 20855), (19885, 20167)]