2018030980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1\times {\mathrm{521}}^1$

素因数の和:989

約数の個数: 96

約数和(自身を含む): 4932023040

約数和(自身を除く): 2913992060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 379, 511, 521, 730, 758, 1022, 1042, 1460, 1516, 1895, 2044, 2084, 2555, 2605, 2653, 3647, 3790, 5110, 5210, 5306, 7294, 7580, 10220, 10420, 10612, 13265, 14588, 18235, 26530, 27667, 36470, 38033, 53060, 55334, 72940, 76066, 110668, 138335, 152132, 190165, 193669, 197459, 266231, 276670, 380330, 387338, 394918, 532462, 553340, 760660, 774676, 789836, 968345, 987295, 1064924, 1331155, 1382213, 1936690, 1974590, 2662310, 2764426, 3873380, 3949180, 5324620, 5528852, 6911065, 13822130, 14414507, 27644260, 28829014, 57658028, 72072535, 100901549, 144145070, 201803098, 288290140, 403606196, 504507745, 1009015490, 2018030980]

約数ペア:

[(1, 2018030980), (2, 1009015490), (4, 504507745), (5, 403606196), (7, 288290140), (10, 201803098), (14, 144145070), (20, 100901549), (28, 72072535), (35, 57658028), (70, 28829014), (73, 27644260), (140, 14414507), (146, 13822130), (292, 6911065), (365, 5528852), (379, 5324620), (511, 3949180), (521, 3873380), (730, 2764426), (758, 2662310), (1022, 1974590), (1042, 1936690), (1460, 1382213), (1516, 1331155), (1895, 1064924), (2044, 987295), (2084, 968345), (2555, 789836), (2605, 774676), (2653, 760660), (3647, 553340), (3790, 532462), (5110, 394918), (5210, 387338), (5306, 380330), (7294, 276670), (7580, 266231), (10220, 197459), (10420, 193669), (10612, 190165), (13265, 152132), (14588, 138335), (18235, 110668), (26530, 76066), (27667, 72940), (36470, 55334), (38033, 53060)]