284118220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1\times {\mathrm{1091}}^1$

素因数の和:1578

約数の個数: 48

約数和(自身を含む): 619164000

約数和(自身を除く): 335045780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 449, 580, 898, 1091, 1796, 2182, 2245, 4364, 4490, 5455, 8980, 10910, 13021, 21820, 26042, 31639, 52084, 63278, 65105, 126556, 130210, 158195, 260420, 316390, 489859, 632780, 979718, 1959436, 2449295, 4898590, 9797180, 14205911, 28411822, 56823644, 71029555, 142059110, 284118220]

約数ペア:

[(1, 284118220), (2, 142059110), (4, 71029555), (5, 56823644), (10, 28411822), (20, 14205911), (29, 9797180), (58, 4898590), (116, 2449295), (145, 1959436), (290, 979718), (449, 632780), (580, 489859), (898, 316390), (1091, 260420), (1796, 158195), (2182, 130210), (2245, 126556), (4364, 65105), (4490, 63278), (5455, 52084), (8980, 31639), (10910, 26042), (13021, 21820)]