201690970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:547

約数の個数: 64

約数和(自身を含む): 404810784

約数和(自身を除く): 203119814

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 73, 106, 130, 146, 265, 365, 401, 530, 689, 730, 802, 949, 1378, 1898, 2005, 3445, 3869, 4010, 4745, 5213, 6890, 7738, 9490, 10426, 19345, 21253, 26065, 29273, 38690, 42506, 50297, 52130, 58546, 100594, 106265, 146365, 212530, 251485, 276289, 292730, 380549, 502970, 552578, 761098, 1381445, 1551469, 1902745, 2762890, 3102938, 3805490, 7757345, 15514690, 20169097, 40338194, 100845485, 201690970]

約数ペア:

[(1, 201690970), (2, 100845485), (5, 40338194), (10, 20169097), (13, 15514690), (26, 7757345), (53, 3805490), (65, 3102938), (73, 2762890), (106, 1902745), (130, 1551469), (146, 1381445), (265, 761098), (365, 552578), (401, 502970), (530, 380549), (689, 292730), (730, 276289), (802, 251485), (949, 212530), (1378, 146365), (1898, 106265), (2005, 100594), (3445, 58546), (3869, 52130), (4010, 50297), (4745, 42506), (5213, 38690), (6890, 29273), (7738, 26065), (9490, 21253), (10426, 19345)]