9890860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 25546752

約数和(自身を除く): 15655892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 43, 53, 62, 70, 86, 106, 124, 140, 155, 172, 212, 215, 217, 265, 301, 310, 371, 430, 434, 530, 602, 620, 742, 860, 868, 1060, 1085, 1204, 1333, 1484, 1505, 1643, 1855, 2170, 2279, 2666, 3010, 3286, 3710, 4340, 4558, 5332, 6020, 6572, 6665, 7420, 8215, 9116, 9331, 11395, 11501, 13330, 15953, 16430, 18662, 22790, 23002, 26660, 31906, 32860, 37324, 45580, 46004, 46655, 57505, 63812, 70649, 79765, 93310, 115010, 141298, 159530, 186620, 230020, 282596, 319060, 353245, 494543, 706490, 989086, 1412980, 1978172, 2472715, 4945430, 9890860]

約数ペア:

[(1, 9890860), (2, 4945430), (4, 2472715), (5, 1978172), (7, 1412980), (10, 989086), (14, 706490), (20, 494543), (28, 353245), (31, 319060), (35, 282596), (43, 230020), (53, 186620), (62, 159530), (70, 141298), (86, 115010), (106, 93310), (124, 79765), (140, 70649), (155, 63812), (172, 57505), (212, 46655), (215, 46004), (217, 45580), (265, 37324), (301, 32860), (310, 31906), (371, 26660), (430, 23002), (434, 22790), (530, 18662), (602, 16430), (620, 15953), (742, 13330), (860, 11501), (868, 11395), (1060, 9331), (1085, 9116), (1204, 8215), (1333, 7420), (1484, 6665), (1505, 6572), (1643, 6020), (1855, 5332), (2170, 4558), (2279, 4340), (2666, 3710), (3010, 3286)]