284015380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{21881}}^1$

素因数の和:21960

約数の個数: 48

約数和(自身を含む): 661711680

約数和(自身を除く): 377696300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 2596, 3245, 6490, 12980, 21881, 43762, 87524, 109405, 218810, 240691, 437620, 481382, 962764, 1203455, 1290979, 2406910, 2581958, 4813820, 5163916, 6454895, 12909790, 14200769, 25819580, 28401538, 56803076, 71003845, 142007690, 284015380]

約数ペア:

[(1, 284015380), (2, 142007690), (4, 71003845), (5, 56803076), (10, 28401538), (11, 25819580), (20, 14200769), (22, 12909790), (44, 6454895), (55, 5163916), (59, 4813820), (110, 2581958), (118, 2406910), (220, 1290979), (236, 1203455), (295, 962764), (590, 481382), (649, 437620), (1180, 240691), (1298, 218810), (2596, 109405), (3245, 87524), (6490, 43762), (12980, 21881)]