2018014700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{81701}}^1$

素因数の和:81747

約数の個数: 72

約数和(自身を含む): 4964213520

約数和(自身を除く): 2946198820

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 475, 494, 650, 950, 988, 1235, 1300, 1900, 2470, 4940, 6175, 12350, 24700, 81701, 163402, 326804, 408505, 817010, 1062113, 1552319, 1634020, 2042525, 2124226, 3104638, 4085050, 4248452, 5310565, 6209276, 7761595, 8170100, 10621130, 15523190, 20180147, 21242260, 26552825, 31046380, 38807975, 40360294, 53105650, 77615950, 80720588, 100900735, 106211300, 155231900, 201801470, 403602940, 504503675, 1009007350, 2018014700]

約数ペア:

[(1, 2018014700), (2, 1009007350), (4, 504503675), (5, 403602940), (10, 201801470), (13, 155231900), (19, 106211300), (20, 100900735), (25, 80720588), (26, 77615950), (38, 53105650), (50, 40360294), (52, 38807975), (65, 31046380), (76, 26552825), (95, 21242260), (100, 20180147), (130, 15523190), (190, 10621130), (247, 8170100), (260, 7761595), (325, 6209276), (380, 5310565), (475, 4248452), (494, 4085050), (650, 3104638), (950, 2124226), (988, 2042525), (1235, 1634020), (1300, 1552319), (1900, 1062113), (2470, 817010), (4940, 408505), (6175, 326804), (12350, 163402), (24700, 81701)]