398123040

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{16927}}^1$

素因数の和:16959

約数の個数: 144

約数和(自身を含む): 1458922752

約数和(自身を除く): 1060799712

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 11760, 16927, 23520, 33854, 50781, 67708, 84635, 101562, 118489, 135416, 169270, 203124, 236978, 253905, 270832, 338540, 355467, 406248, 473956, 507810, 541664, 592445, 677080, 710934, 812496, 829423, 947912, 1015620, 1184890, 1354160, 1421868, 1624992, 1658846, 1777335, 1895824, 2031240, 2369780, 2488269, 2708320, 2843736, 3317692, 3554670, 3791648, 4062480, 4147115, 4739560, 4976538, 5687472, 6635384, 7109340, 8124960, 8294230, 9479120, 9953076, 11374944, 12441345, 13270768, 14218680, 16588460, 18958240, 19906152, 24882690, 26541536, 28437360, 33176920, 39812304, 49765380, 56874720, 66353840, 79624608, 99530760, 132707680, 199061520, 398123040]

約数ペア:

[(1, 398123040), (2, 199061520), (3, 132707680), (4, 99530760), (5, 79624608), (6, 66353840), (7, 56874720), (8, 49765380), (10, 39812304), (12, 33176920), (14, 28437360), (15, 26541536), (16, 24882690), (20, 19906152), (21, 18958240), (24, 16588460), (28, 14218680), (30, 13270768), (32, 12441345), (35, 11374944), (40, 9953076), (42, 9479120), (48, 8294230), (49, 8124960), (56, 7109340), (60, 6635384), (70, 5687472), (80, 4976538), (84, 4739560), (96, 4147115), (98, 4062480), (105, 3791648), (112, 3554670), (120, 3317692), (140, 2843736), (147, 2708320), (160, 2488269), (168, 2369780), (196, 2031240), (210, 1895824), (224, 1777335), (240, 1658846), (245, 1624992), (280, 1421868), (294, 1354160), (336, 1184890), (392, 1015620), (420, 947912), (480, 829423), (490, 812496), (560, 710934), (588, 677080), (672, 592445), (735, 541664), (784, 507810), (840, 473956), (980, 406248), (1120, 355467), (1176, 338540), (1470, 270832), (1568, 253905), (1680, 236978), (1960, 203124), (2352, 169270), (2940, 135416), (3360, 118489), (3920, 101562), (4704, 84635), (5880, 67708), (7840, 50781), (11760, 33854), (16927, 23520)]