258391140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{2221}}^1$

素因数の和:2517

約数の個数: 96

約数和(自身を含む): 830210304

約数和(自身を除く): 571819164

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 277, 420, 554, 831, 1108, 1385, 1662, 1939, 2221, 2770, 3324, 3878, 4155, 4442, 5540, 5817, 6663, 7756, 8310, 8884, 9695, 11105, 11634, 13326, 15547, 16620, 19390, 22210, 23268, 26652, 29085, 31094, 33315, 38780, 44420, 46641, 58170, 62188, 66630, 77735, 93282, 116340, 133260, 155470, 186564, 233205, 310940, 466410, 615217, 932820, 1230434, 1845651, 2460868, 3076085, 3691302, 4306519, 6152170, 7382604, 8613038, 9228255, 12304340, 12919557, 17226076, 18456510, 21532595, 25839114, 36913020, 43065190, 51678228, 64597785, 86130380, 129195570, 258391140]

約数ペア:

[(1, 258391140), (2, 129195570), (3, 86130380), (4, 64597785), (5, 51678228), (6, 43065190), (7, 36913020), (10, 25839114), (12, 21532595), (14, 18456510), (15, 17226076), (20, 12919557), (21, 12304340), (28, 9228255), (30, 8613038), (35, 7382604), (42, 6152170), (60, 4306519), (70, 3691302), (84, 3076085), (105, 2460868), (140, 1845651), (210, 1230434), (277, 932820), (420, 615217), (554, 466410), (831, 310940), (1108, 233205), (1385, 186564), (1662, 155470), (1939, 133260), (2221, 116340), (2770, 93282), (3324, 77735), (3878, 66630), (4155, 62188), (4442, 58170), (5540, 46641), (5817, 44420), (6663, 38780), (7756, 33315), (8310, 31094), (8884, 29085), (9695, 26652), (11105, 23268), (11634, 22210), (13326, 19390), (15547, 16620)]