221063480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{853}}^1$

素因数の和:925

約数の個数: 128

約数和(自身を含む): 590284800

約数和(自身を除く): 369221320

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 31, 38, 40, 44, 55, 62, 76, 88, 95, 110, 124, 152, 155, 190, 209, 220, 248, 310, 341, 380, 418, 440, 589, 620, 682, 760, 836, 853, 1045, 1178, 1240, 1364, 1672, 1705, 1706, 2090, 2356, 2728, 2945, 3410, 3412, 4180, 4265, 4712, 5890, 6479, 6820, 6824, 8360, 8530, 9383, 11780, 12958, 13640, 16207, 17060, 18766, 23560, 25916, 26443, 32395, 32414, 34120, 37532, 46915, 51832, 52886, 64790, 64828, 75064, 81035, 93830, 105772, 129580, 129656, 132215, 162070, 178277, 187660, 211544, 259160, 264430, 290873, 324140, 356554, 375320, 502417, 528860, 581746, 648280, 713108, 891385, 1004834, 1057720, 1163492, 1426216, 1454365, 1782770, 2009668, 2326984, 2512085, 2908730, 3565540, 4019336, 5024170, 5526587, 5817460, 7131080, 10048340, 11053174, 11634920, 20096680, 22106348, 27632935, 44212696, 55265870, 110531740, 221063480]

約数ペア:

[(1, 221063480), (2, 110531740), (4, 55265870), (5, 44212696), (8, 27632935), (10, 22106348), (11, 20096680), (19, 11634920), (20, 11053174), (22, 10048340), (31, 7131080), (38, 5817460), (40, 5526587), (44, 5024170), (55, 4019336), (62, 3565540), (76, 2908730), (88, 2512085), (95, 2326984), (110, 2009668), (124, 1782770), (152, 1454365), (155, 1426216), (190, 1163492), (209, 1057720), (220, 1004834), (248, 891385), (310, 713108), (341, 648280), (380, 581746), (418, 528860), (440, 502417), (589, 375320), (620, 356554), (682, 324140), (760, 290873), (836, 264430), (853, 259160), (1045, 211544), (1178, 187660), (1240, 178277), (1364, 162070), (1672, 132215), (1705, 129656), (1706, 129580), (2090, 105772), (2356, 93830), (2728, 81035), (2945, 75064), (3410, 64828), (3412, 64790), (4180, 52886), (4265, 51832), (4712, 46915), (5890, 37532), (6479, 34120), (6820, 32414), (6824, 32395), (8360, 26443), (8530, 25916), (9383, 23560), (11780, 18766), (12958, 17060), (13640, 16207)]