220442240

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:362

約数の個数: 128

約数和(自身を含む): 559319040

約数和(自身を除く): 338876800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 128, 155, 160, 164, 205, 248, 271, 310, 320, 328, 410, 496, 542, 620, 640, 656, 820, 992, 1084, 1240, 1271, 1312, 1355, 1640, 1984, 2168, 2480, 2542, 2624, 2710, 3280, 3968, 4336, 4960, 5084, 5248, 5420, 6355, 6560, 8401, 8672, 9920, 10168, 10840, 11111, 12710, 13120, 16802, 17344, 19840, 20336, 21680, 22222, 25420, 26240, 33604, 34688, 40672, 42005, 43360, 44444, 50840, 55555, 67208, 81344, 84010, 86720, 88888, 101680, 111110, 134416, 162688, 168020, 173440, 177776, 203360, 222220, 268832, 336040, 344441, 355552, 406720, 444440, 537664, 672080, 688882, 711104, 813440, 888880, 1075328, 1344160, 1377764, 1422208, 1722205, 1777760, 2688320, 2755528, 3444410, 3555520, 5376640, 5511056, 6888820, 7111040, 11022112, 13777640, 22044224, 27555280, 44088448, 55110560, 110221120, 220442240]

約数ペア:

[(1, 220442240), (2, 110221120), (4, 55110560), (5, 44088448), (8, 27555280), (10, 22044224), (16, 13777640), (20, 11022112), (31, 7111040), (32, 6888820), (40, 5511056), (41, 5376640), (62, 3555520), (64, 3444410), (80, 2755528), (82, 2688320), (124, 1777760), (128, 1722205), (155, 1422208), (160, 1377764), (164, 1344160), (205, 1075328), (248, 888880), (271, 813440), (310, 711104), (320, 688882), (328, 672080), (410, 537664), (496, 444440), (542, 406720), (620, 355552), (640, 344441), (656, 336040), (820, 268832), (992, 222220), (1084, 203360), (1240, 177776), (1271, 173440), (1312, 168020), (1355, 162688), (1640, 134416), (1984, 111110), (2168, 101680), (2480, 88888), (2542, 86720), (2624, 84010), (2710, 81344), (3280, 67208), (3968, 55555), (4336, 50840), (4960, 44444), (5084, 43360), (5248, 42005), (5420, 40672), (6355, 34688), (6560, 33604), (8401, 26240), (8672, 25420), (9920, 22222), (10168, 21680), (10840, 20336), (11111, 19840), (12710, 17344), (13120, 16802)]