28089390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{739}}^1$

素因数の和:937

約数の個数: 64

約数和(自身を含む): 77575680

約数和(自身を除く): 49486290

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 181, 210, 362, 543, 739, 905, 1086, 1267, 1478, 1810, 2217, 2534, 2715, 3695, 3801, 4434, 5173, 5430, 6335, 7390, 7602, 10346, 11085, 12670, 15519, 19005, 22170, 25865, 31038, 38010, 51730, 77595, 133759, 155190, 267518, 401277, 668795, 802554, 936313, 1337590, 1872626, 2006385, 2808939, 4012770, 4681565, 5617878, 9363130, 14044695, 28089390]

約数ペア:

[(1, 28089390), (2, 14044695), (3, 9363130), (5, 5617878), (6, 4681565), (7, 4012770), (10, 2808939), (14, 2006385), (15, 1872626), (21, 1337590), (30, 936313), (35, 802554), (42, 668795), (70, 401277), (105, 267518), (181, 155190), (210, 133759), (362, 77595), (543, 51730), (739, 38010), (905, 31038), (1086, 25865), (1267, 22170), (1478, 19005), (1810, 15519), (2217, 12670), (2534, 11085), (2715, 10346), (3695, 7602), (3801, 7390), (4434, 6335), (5173, 5430)]