28960220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{401}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 64024128

約数和(自身を除く): 35063908

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 157, 230, 314, 401, 460, 628, 785, 802, 1570, 1604, 2005, 3140, 3611, 4010, 7222, 8020, 9223, 14444, 18055, 18446, 36110, 36892, 46115, 62957, 72220, 92230, 125914, 184460, 251828, 314785, 629570, 1259140, 1448011, 2896022, 5792044, 7240055, 14480110, 28960220]

約数ペア:

[(1, 28960220), (2, 14480110), (4, 7240055), (5, 5792044), (10, 2896022), (20, 1448011), (23, 1259140), (46, 629570), (92, 314785), (115, 251828), (157, 184460), (230, 125914), (314, 92230), (401, 72220), (460, 62957), (628, 46115), (785, 36892), (802, 36110), (1570, 18446), (1604, 18055), (2005, 14444), (3140, 9223), (3611, 8020), (4010, 7222)]