87904040

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:224

約数の個数: 128

約数和(自身を含む): 237600000

約数和(自身を除く): 149695960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 49, 56, 70, 86, 98, 140, 149, 172, 196, 215, 245, 280, 298, 301, 343, 344, 392, 430, 490, 596, 602, 686, 745, 860, 980, 1043, 1192, 1204, 1372, 1490, 1505, 1715, 1720, 1960, 2086, 2107, 2408, 2744, 2980, 3010, 3430, 4172, 4214, 5215, 5960, 6020, 6407, 6860, 7301, 8344, 8428, 10430, 10535, 12040, 12814, 13720, 14602, 14749, 16856, 20860, 21070, 25628, 29204, 29498, 32035, 36505, 41720, 42140, 44849, 51107, 51256, 58408, 58996, 64070, 73010, 73745, 84280, 89698, 102214, 117992, 128140, 146020, 147490, 179396, 204428, 224245, 255535, 256280, 292040, 294980, 313943, 358792, 408856, 448490, 511070, 589960, 627886, 896980, 1022140, 1255772, 1569715, 1793960, 2044280, 2197601, 2511544, 3139430, 4395202, 6278860, 8790404, 10988005, 12557720, 17580808, 21976010, 43952020, 87904040]

約数ペア:

[(1, 87904040), (2, 43952020), (4, 21976010), (5, 17580808), (7, 12557720), (8, 10988005), (10, 8790404), (14, 6278860), (20, 4395202), (28, 3139430), (35, 2511544), (40, 2197601), (43, 2044280), (49, 1793960), (56, 1569715), (70, 1255772), (86, 1022140), (98, 896980), (140, 627886), (149, 589960), (172, 511070), (196, 448490), (215, 408856), (245, 358792), (280, 313943), (298, 294980), (301, 292040), (343, 256280), (344, 255535), (392, 224245), (430, 204428), (490, 179396), (596, 147490), (602, 146020), (686, 128140), (745, 117992), (860, 102214), (980, 89698), (1043, 84280), (1192, 73745), (1204, 73010), (1372, 64070), (1490, 58996), (1505, 58408), (1715, 51256), (1720, 51107), (1960, 44849), (2086, 42140), (2107, 41720), (2408, 36505), (2744, 32035), (2980, 29498), (3010, 29204), (3430, 25628), (4172, 21070), (4214, 20860), (5215, 16856), (5960, 14749), (6020, 14602), (6407, 13720), (6860, 12814), (7301, 12040), (8344, 10535), (8428, 10430)]