30486764

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{103}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 69398784

約数和(自身を除く): 38912020

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 77, 103, 124, 154, 206, 217, 308, 341, 412, 434, 682, 721, 868, 961, 1133, 1364, 1442, 1922, 2266, 2387, 2884, 3193, 3844, 4532, 4774, 6386, 6727, 7931, 9548, 10571, 12772, 13454, 15862, 21142, 22351, 26908, 31724, 35123, 42284, 44702, 70246, 73997, 89404, 98983, 140492, 147994, 197966, 245861, 295988, 395932, 491722, 692881, 983444, 1088813, 1385762, 2177626, 2771524, 4355252, 7621691, 15243382, 30486764]

約数ペア:

[(1, 30486764), (2, 15243382), (4, 7621691), (7, 4355252), (11, 2771524), (14, 2177626), (22, 1385762), (28, 1088813), (31, 983444), (44, 692881), (62, 491722), (77, 395932), (103, 295988), (124, 245861), (154, 197966), (206, 147994), (217, 140492), (308, 98983), (341, 89404), (412, 73997), (434, 70246), (682, 44702), (721, 42284), (868, 35123), (961, 31724), (1133, 26908), (1364, 22351), (1442, 21142), (1922, 15862), (2266, 13454), (2387, 12772), (2884, 10571), (3193, 9548), (3844, 7931), (4532, 6727), (4774, 6386)]