1928940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2473}}^1$

素因数の和:2498

約数の個数: 48

約数和(自身を含む): 5818848

約数和(自身を除く): 3889908

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, 2473, 4946, 7419, 9892, 12365, 14838, 24730, 29676, 32149, 37095, 49460, 64298, 74190, 96447, 128596, 148380, 160745, 192894, 321490, 385788, 482235, 642980, 964470, 1928940]

約数ペア:

[(1, 1928940), (2, 964470), (3, 642980), (4, 482235), (5, 385788), (6, 321490), (10, 192894), (12, 160745), (13, 148380), (15, 128596), (20, 96447), (26, 74190), (30, 64298), (39, 49460), (52, 37095), (60, 32149), (65, 29676), (78, 24730), (130, 14838), (156, 12365), (195, 9892), (260, 7419), (390, 4946), (780, 2473)]