309749700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79423}}^1$

素因数の和:79453

約数の個数: 72

約数和(自身を含む): 965160448

約数和(自身を除く): 655410748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 79423, 158846, 238269, 317692, 397115, 476538, 794230, 953076, 1032499, 1191345, 1588460, 1985575, 2064998, 2382690, 3097497, 3971150, 4129996, 4765380, 5162495, 5956725, 6194994, 7942300, 10324990, 11913450, 12389988, 15487485, 20649980, 23826900, 25812475, 30974970, 51624950, 61949940, 77437425, 103249900, 154874850, 309749700]

約数ペア:

[(1, 309749700), (2, 154874850), (3, 103249900), (4, 77437425), (5, 61949940), (6, 51624950), (10, 30974970), (12, 25812475), (13, 23826900), (15, 20649980), (20, 15487485), (25, 12389988), (26, 11913450), (30, 10324990), (39, 7942300), (50, 6194994), (52, 5956725), (60, 5162495), (65, 4765380), (75, 4129996), (78, 3971150), (100, 3097497), (130, 2382690), (150, 2064998), (156, 1985575), (195, 1588460), (260, 1191345), (300, 1032499), (325, 953076), (390, 794230), (650, 476538), (780, 397115), (975, 317692), (1300, 238269), (1950, 158846), (3900, 79423)]