221878880

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:432

約数の個数: 96

約数和(自身を含む): 542959200

約数和(自身を除く): 321080320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 149, 160, 164, 205, 227, 298, 328, 410, 454, 596, 656, 745, 820, 908, 1135, 1192, 1312, 1490, 1640, 1816, 2270, 2384, 2980, 3280, 3632, 4540, 4768, 5960, 6109, 6560, 7264, 9080, 9307, 11920, 12218, 18160, 18614, 23840, 24436, 30545, 33823, 36320, 37228, 46535, 48872, 61090, 67646, 74456, 93070, 97744, 122180, 135292, 148912, 169115, 186140, 195488, 244360, 270584, 297824, 338230, 372280, 488720, 541168, 676460, 744560, 977440, 1082336, 1352920, 1386743, 1489120, 2705840, 2773486, 5411680, 5546972, 6933715, 11093944, 13867430, 22187888, 27734860, 44375776, 55469720, 110939440, 221878880]

約数ペア:

[(1, 221878880), (2, 110939440), (4, 55469720), (5, 44375776), (8, 27734860), (10, 22187888), (16, 13867430), (20, 11093944), (32, 6933715), (40, 5546972), (41, 5411680), (80, 2773486), (82, 2705840), (149, 1489120), (160, 1386743), (164, 1352920), (205, 1082336), (227, 977440), (298, 744560), (328, 676460), (410, 541168), (454, 488720), (596, 372280), (656, 338230), (745, 297824), (820, 270584), (908, 244360), (1135, 195488), (1192, 186140), (1312, 169115), (1490, 148912), (1640, 135292), (1816, 122180), (2270, 97744), (2384, 93070), (2980, 74456), (3280, 67646), (3632, 61090), (4540, 48872), (4768, 46535), (5960, 37228), (6109, 36320), (6560, 33823), (7264, 30545), (9080, 24436), (9307, 23840), (11920, 18614), (12218, 18160)]