30461140

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 65696400

約数和(自身を除く): 35235260

約数列:

[1, 2, 4, 5, 10, 20, 89, 109, 157, 178, 218, 314, 356, 436, 445, 545, 628, 785, 890, 1090, 1570, 1780, 2180, 3140, 9701, 13973, 17113, 19402, 27946, 34226, 38804, 48505, 55892, 68452, 69865, 85565, 97010, 139730, 171130, 194020, 279460, 342260, 1523057, 3046114, 6092228, 7615285, 15230570, 30461140]

約数ペア:

[(1, 30461140), (2, 15230570), (4, 7615285), (5, 6092228), (10, 3046114), (20, 1523057), (89, 342260), (109, 279460), (157, 194020), (178, 171130), (218, 139730), (314, 97010), (356, 85565), (436, 69865), (445, 68452), (545, 55892), (628, 48505), (785, 38804), (890, 34226), (1090, 27946), (1570, 19402), (1780, 17113), (2180, 13973), (3140, 9701)]