279959820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{2789}}^1$

素因数の和:3047

約数の個数: 96

約数和(自身を含む): 899942400

約数和(自身を除く): 619982580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 239, 420, 478, 717, 956, 1195, 1434, 1673, 2390, 2789, 2868, 3346, 3585, 4780, 5019, 5578, 6692, 7170, 8365, 8367, 10038, 11156, 13945, 14340, 16730, 16734, 19523, 20076, 25095, 27890, 33460, 33468, 39046, 41835, 50190, 55780, 58569, 78092, 83670, 97615, 100380, 117138, 167340, 195230, 234276, 292845, 390460, 585690, 666571, 1171380, 1333142, 1999713, 2666284, 3332855, 3999426, 4665997, 6665710, 7998852, 9331994, 9998565, 13331420, 13997991, 18663988, 19997130, 23329985, 27995982, 39994260, 46659970, 55991964, 69989955, 93319940, 139979910, 279959820]

約数ペア:

[(1, 279959820), (2, 139979910), (3, 93319940), (4, 69989955), (5, 55991964), (6, 46659970), (7, 39994260), (10, 27995982), (12, 23329985), (14, 19997130), (15, 18663988), (20, 13997991), (21, 13331420), (28, 9998565), (30, 9331994), (35, 7998852), (42, 6665710), (60, 4665997), (70, 3999426), (84, 3332855), (105, 2666284), (140, 1999713), (210, 1333142), (239, 1171380), (420, 666571), (478, 585690), (717, 390460), (956, 292845), (1195, 234276), (1434, 195230), (1673, 167340), (2390, 117138), (2789, 100380), (2868, 97615), (3346, 83670), (3585, 78092), (4780, 58569), (5019, 55780), (5578, 50190), (6692, 41835), (7170, 39046), (8365, 33468), (8367, 33460), (10038, 27890), (11156, 25095), (13945, 20076), (14340, 19523), (16730, 16734)]