201821420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{7927}}^1$

素因数の和:8022

約数の個数: 48

約数和(自身を含む): 452847360

約数和(自身を除く): 251025940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 268, 335, 380, 670, 1273, 1340, 2546, 5092, 6365, 7927, 12730, 15854, 25460, 31708, 39635, 79270, 150613, 158540, 301226, 531109, 602452, 753065, 1062218, 1506130, 2124436, 2655545, 3012260, 5311090, 10091071, 10622180, 20182142, 40364284, 50455355, 100910710, 201821420]

約数ペア:

[(1, 201821420), (2, 100910710), (4, 50455355), (5, 40364284), (10, 20182142), (19, 10622180), (20, 10091071), (38, 5311090), (67, 3012260), (76, 2655545), (95, 2124436), (134, 1506130), (190, 1062218), (268, 753065), (335, 602452), (380, 531109), (670, 301226), (1273, 158540), (1340, 150613), (2546, 79270), (5092, 39635), (6365, 31708), (7927, 25460), (12730, 15854)]