777375460

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{6569}}^1$

素因数の和:6736

約数の個数: 48

約数和(自身を含む): 1676611440

約数和(自身を除く): 899235980

約数列:

[1, 2, 4, 5, 10, 20, 61, 97, 122, 194, 244, 305, 388, 485, 610, 970, 1220, 1940, 5917, 6569, 11834, 13138, 23668, 26276, 29585, 32845, 59170, 65690, 118340, 131380, 400709, 637193, 801418, 1274386, 1602836, 2003545, 2548772, 3185965, 4007090, 6371930, 8014180, 12743860, 38868773, 77737546, 155475092, 194343865, 388687730, 777375460]

約数ペア:

[(1, 777375460), (2, 388687730), (4, 194343865), (5, 155475092), (10, 77737546), (20, 38868773), (61, 12743860), (97, 8014180), (122, 6371930), (194, 4007090), (244, 3185965), (305, 2548772), (388, 2003545), (485, 1602836), (610, 1274386), (970, 801418), (1220, 637193), (1940, 400709), (5917, 131380), (6569, 118340), (11834, 65690), (13138, 59170), (23668, 32845), (26276, 29585)]