13302787580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{221197}}^1$

素因数の和:221334

約数の個数: 48

約数和(自身を含む): 29134430976

約数和(自身を除く): 15831643396

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 310, 388, 485, 620, 970, 1940, 3007, 6014, 12028, 15035, 30070, 60140, 221197, 442394, 884788, 1105985, 2211970, 4423940, 6857107, 13714214, 21456109, 27428428, 34285535, 42912218, 68571070, 85824436, 107280545, 137142140, 214561090, 429122180, 665139379, 1330278758, 2660557516, 3325696895, 6651393790, 13302787580]

約数ペア:

[(1, 13302787580), (2, 6651393790), (4, 3325696895), (5, 2660557516), (10, 1330278758), (20, 665139379), (31, 429122180), (62, 214561090), (97, 137142140), (124, 107280545), (155, 85824436), (194, 68571070), (310, 42912218), (388, 34285535), (485, 27428428), (620, 21456109), (970, 13714214), (1940, 6857107), (3007, 4423940), (6014, 2211970), (12028, 1105985), (15035, 884788), (30070, 442394), (60140, 221197)]