291004860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{68311}}^1$

素因数の和:68394

約数の個数: 48

約数和(自身を含む): 826301952

約数和(自身を除く): 535297092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 68311, 136622, 204933, 273244, 341555, 409866, 683110, 819732, 1024665, 1366220, 2049330, 4098660, 4850081, 9700162, 14550243, 19400324, 24250405, 29100486, 48500810, 58200972, 72751215, 97001620, 145502430, 291004860]

約数ペア:

[(1, 291004860), (2, 145502430), (3, 97001620), (4, 72751215), (5, 58200972), (6, 48500810), (10, 29100486), (12, 24250405), (15, 19400324), (20, 14550243), (30, 9700162), (60, 4850081), (71, 4098660), (142, 2049330), (213, 1366220), (284, 1024665), (355, 819732), (426, 683110), (710, 409866), (852, 341555), (1065, 273244), (1420, 204933), (2130, 136622), (4260, 68311)]