219809460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281807}}^1$

素因数の和:281832

約数の個数: 48

約数和(自身を含む): 662812416

約数和(自身を除く): 443002956

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, 281807, 563614, 845421, 1127228, 1409035, 1690842, 2818070, 3381684, 3663491, 4227105, 5636140, 7326982, 8454210, 10990473, 14653964, 16908420, 18317455, 21980946, 36634910, 43961892, 54952365, 73269820, 109904730, 219809460]

約数ペア:

[(1, 219809460), (2, 109904730), (3, 73269820), (4, 54952365), (5, 43961892), (6, 36634910), (10, 21980946), (12, 18317455), (13, 16908420), (15, 14653964), (20, 10990473), (26, 8454210), (30, 7326982), (39, 5636140), (52, 4227105), (60, 3663491), (65, 3381684), (78, 2818070), (130, 1690842), (156, 1409035), (195, 1127228), (260, 845421), (390, 563614), (780, 281807)]