20170177930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{709}}^1\times {\mathrm{2063}}^1$

素因数の和:2983

約数の個数: 64

約数和(自身を含む): 41782625280

約数和(自身を除く): 21612447350

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 394, 709, 985, 1379, 1418, 1970, 2063, 2758, 3545, 4126, 4963, 6895, 7090, 9926, 10315, 13790, 14441, 20630, 24815, 28882, 49630, 72205, 139673, 144410, 279346, 406411, 698365, 812822, 977711, 1396730, 1462667, 1955422, 2032055, 2844877, 2925334, 4064110, 4888555, 5689754, 7313335, 9777110, 10238669, 14224385, 14626670, 20477338, 28448770, 51193345, 102386690, 288145399, 576290798, 1440726995, 2017017793, 2881453990, 4034035586, 10085088965, 20170177930]

約数ペア:

[(1, 20170177930), (2, 10085088965), (5, 4034035586), (7, 2881453990), (10, 2017017793), (14, 1440726995), (35, 576290798), (70, 288145399), (197, 102386690), (394, 51193345), (709, 28448770), (985, 20477338), (1379, 14626670), (1418, 14224385), (1970, 10238669), (2063, 9777110), (2758, 7313335), (3545, 5689754), (4126, 4888555), (4963, 4064110), (6895, 2925334), (7090, 2844877), (9926, 2032055), (10315, 1955422), (13790, 1462667), (14441, 1396730), (20630, 977711), (24815, 812822), (28882, 698365), (49630, 406411), (72205, 279346), (139673, 144410)]