198821220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{254899}}^1$

素因数の和:254924

約数の個数: 48

約数和(自身を含む): 599524800

約数和(自身を除く): 400703580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 254899, 509798, 764697, 1019596, 1274495, 1529394, 2548990, 3058788, 3313687, 3823485, 5097980, 6627374, 7646970, 9941061, 13254748, 15293940, 16568435, 19882122, 33136870, 39764244, 49705305, 66273740, 99410610, 198821220]

約数ペア:

[(1, 198821220), (2, 99410610), (3, 66273740), (4, 49705305), (5, 39764244), (6, 33136870), (10, 19882122), (12, 16568435), (13, 15293940), (15, 13254748), (20, 9941061), (26, 7646970), (30, 6627374), (39, 5097980), (52, 3823485), (60, 3313687), (65, 3058788), (78, 2548990), (130, 1529394), (156, 1274495), (195, 1019596), (260, 764697), (390, 509798), (780, 254899)]