398821860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1451}}^1$

素因数の和:1978

約数の個数: 96

約数和(自身を含む): 1244073600

約数和(自身を除く): 845251740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 509, 540, 1018, 1451, 1527, 2036, 2545, 2902, 3054, 4353, 4581, 5090, 5804, 6108, 7255, 7635, 8706, 9162, 10180, 13059, 13743, 14510, 15270, 17412, 18324, 21765, 22905, 26118, 27486, 29020, 30540, 39177, 43530, 45810, 52236, 54972, 65295, 68715, 78354, 87060, 91620, 130590, 137430, 156708, 195885, 261180, 274860, 391770, 738559, 783540, 1477118, 2215677, 2954236, 3692795, 4431354, 6647031, 7385590, 8862708, 11078385, 13294062, 14771180, 19941093, 22156770, 26588124, 33235155, 39882186, 44313540, 66470310, 79764372, 99705465, 132940620, 199410930, 398821860]

約数ペア:

[(1, 398821860), (2, 199410930), (3, 132940620), (4, 99705465), (5, 79764372), (6, 66470310), (9, 44313540), (10, 39882186), (12, 33235155), (15, 26588124), (18, 22156770), (20, 19941093), (27, 14771180), (30, 13294062), (36, 11078385), (45, 8862708), (54, 7385590), (60, 6647031), (90, 4431354), (108, 3692795), (135, 2954236), (180, 2215677), (270, 1477118), (509, 783540), (540, 738559), (1018, 391770), (1451, 274860), (1527, 261180), (2036, 195885), (2545, 156708), (2902, 137430), (3054, 130590), (4353, 91620), (4581, 87060), (5090, 78354), (5804, 68715), (6108, 65295), (7255, 54972), (7635, 52236), (8706, 45810), (9162, 43530), (10180, 39177), (13059, 30540), (13743, 29020), (14510, 27486), (15270, 26118), (17412, 22905), (18324, 21765)]