9805900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 24182480

約数和(自身を除く): 14376580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 397, 475, 494, 650, 794, 950, 988, 1235, 1300, 1588, 1900, 1985, 2470, 3970, 4940, 5161, 6175, 7543, 7940, 9925, 10322, 12350, 15086, 19850, 20644, 24700, 25805, 30172, 37715, 39700, 51610, 75430, 98059, 103220, 129025, 150860, 188575, 196118, 258050, 377150, 392236, 490295, 516100, 754300, 980590, 1961180, 2451475, 4902950, 9805900]

約数ペア:

[(1, 9805900), (2, 4902950), (4, 2451475), (5, 1961180), (10, 980590), (13, 754300), (19, 516100), (20, 490295), (25, 392236), (26, 377150), (38, 258050), (50, 196118), (52, 188575), (65, 150860), (76, 129025), (95, 103220), (100, 98059), (130, 75430), (190, 51610), (247, 39700), (260, 37715), (325, 30172), (380, 25805), (397, 24700), (475, 20644), (494, 19850), (650, 15086), (794, 12350), (950, 10322), (988, 9925), (1235, 7940), (1300, 7543), (1588, 6175), (1900, 5161), (1985, 4940), (2470, 3970)]