400573280

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{269}}^1$

素因数の和:552

約数の個数: 96

約数和(自身を含む): 977326560

約数和(自身を除く): 576753280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 227, 269, 328, 410, 454, 538, 656, 820, 908, 1076, 1135, 1312, 1345, 1640, 1816, 2152, 2270, 2690, 3280, 3632, 4304, 4540, 5380, 6560, 7264, 8608, 9080, 9307, 10760, 11029, 18160, 18614, 21520, 22058, 36320, 37228, 43040, 44116, 46535, 55145, 61063, 74456, 88232, 93070, 110290, 122126, 148912, 176464, 186140, 220580, 244252, 297824, 305315, 352928, 372280, 441160, 488504, 610630, 744560, 882320, 977008, 1221260, 1489120, 1764640, 1954016, 2442520, 2503583, 4885040, 5007166, 9770080, 10014332, 12517915, 20028664, 25035830, 40057328, 50071660, 80114656, 100143320, 200286640, 400573280]

約数ペア:

[(1, 400573280), (2, 200286640), (4, 100143320), (5, 80114656), (8, 50071660), (10, 40057328), (16, 25035830), (20, 20028664), (32, 12517915), (40, 10014332), (41, 9770080), (80, 5007166), (82, 4885040), (160, 2503583), (164, 2442520), (205, 1954016), (227, 1764640), (269, 1489120), (328, 1221260), (410, 977008), (454, 882320), (538, 744560), (656, 610630), (820, 488504), (908, 441160), (1076, 372280), (1135, 352928), (1312, 305315), (1345, 297824), (1640, 244252), (1816, 220580), (2152, 186140), (2270, 176464), (2690, 148912), (3280, 122126), (3632, 110290), (4304, 93070), (4540, 88232), (5380, 74456), (6560, 61063), (7264, 55145), (8608, 46535), (9080, 44116), (9307, 43040), (10760, 37228), (11029, 36320), (18160, 22058), (18614, 21520)]