409691680

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:267

約数の個数: 144

約数和(自身を含む): 1052483544

約数和(自身を除く): 642791864

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 76, 80, 82, 95, 152, 160, 164, 173, 190, 205, 304, 328, 346, 361, 380, 410, 608, 656, 692, 722, 760, 779, 820, 865, 1312, 1384, 1444, 1520, 1558, 1640, 1730, 1805, 2768, 2888, 3040, 3116, 3280, 3287, 3460, 3610, 3895, 5536, 5776, 6232, 6560, 6574, 6920, 7093, 7220, 7790, 11552, 12464, 13148, 13840, 14186, 14440, 14801, 15580, 16435, 24928, 26296, 27680, 28372, 28880, 29602, 31160, 32870, 35465, 52592, 56744, 57760, 59204, 62320, 62453, 65740, 70930, 74005, 105184, 113488, 118408, 124640, 124906, 131480, 134767, 141860, 148010, 226976, 236816, 249812, 262960, 269534, 283720, 296020, 312265, 473632, 499624, 525920, 539068, 567440, 592040, 624530, 673835, 999248, 1078136, 1134880, 1184080, 1249060, 1347670, 1998496, 2156272, 2368160, 2498120, 2560573, 2695340, 4312544, 4996240, 5121146, 5390680, 9992480, 10242292, 10781360, 12802865, 20484584, 21562720, 25605730, 40969168, 51211460, 81938336, 102422920, 204845840, 409691680]

約数ペア:

[(1, 409691680), (2, 204845840), (4, 102422920), (5, 81938336), (8, 51211460), (10, 40969168), (16, 25605730), (19, 21562720), (20, 20484584), (32, 12802865), (38, 10781360), (40, 10242292), (41, 9992480), (76, 5390680), (80, 5121146), (82, 4996240), (95, 4312544), (152, 2695340), (160, 2560573), (164, 2498120), (173, 2368160), (190, 2156272), (205, 1998496), (304, 1347670), (328, 1249060), (346, 1184080), (361, 1134880), (380, 1078136), (410, 999248), (608, 673835), (656, 624530), (692, 592040), (722, 567440), (760, 539068), (779, 525920), (820, 499624), (865, 473632), (1312, 312265), (1384, 296020), (1444, 283720), (1520, 269534), (1558, 262960), (1640, 249812), (1730, 236816), (1805, 226976), (2768, 148010), (2888, 141860), (3040, 134767), (3116, 131480), (3280, 124906), (3287, 124640), (3460, 118408), (3610, 113488), (3895, 105184), (5536, 74005), (5776, 70930), (6232, 65740), (6560, 62453), (6574, 62320), (6920, 59204), (7093, 57760), (7220, 56744), (7790, 52592), (11552, 35465), (12464, 32870), (13148, 31160), (13840, 29602), (14186, 28880), (14440, 28372), (14801, 27680), (15580, 26296), (16435, 24928)]