201622980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{258491}}^1$

素因数の和:258516

約数の個数: 48

約数和(自身を含む): 607973184

約数和(自身を除く): 406350204

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, 258491, 516982, 775473, 1033964, 1292455, 1550946, 2584910, 3101892, 3360383, 3877365, 5169820, 6720766, 7754730, 10081149, 13441532, 15509460, 16801915, 20162298, 33603830, 40324596, 50405745, 67207660, 100811490, 201622980]

約数ペア:

[(1, 201622980), (2, 100811490), (3, 67207660), (4, 50405745), (5, 40324596), (6, 33603830), (10, 20162298), (12, 16801915), (13, 15509460), (15, 13441532), (20, 10081149), (26, 7754730), (30, 6720766), (39, 5169820), (52, 3877365), (60, 3360383), (65, 3101892), (78, 2584910), (130, 1550946), (156, 1292455), (195, 1033964), (260, 775473), (390, 516982), (780, 258491)]