55171820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:303

約数の個数: 96

約数和(自身を含む): 135717120

約数和(自身を除く): 80545300

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 67, 76, 95, 110, 134, 190, 197, 209, 220, 268, 335, 380, 394, 418, 670, 737, 788, 836, 985, 1045, 1273, 1340, 1474, 1970, 2090, 2167, 2546, 2948, 3685, 3743, 3940, 4180, 4334, 5092, 6365, 7370, 7486, 8668, 10835, 12730, 13199, 14003, 14740, 14972, 18715, 21670, 25460, 26398, 28006, 37430, 41173, 43340, 52796, 56012, 65995, 70015, 74860, 82346, 131990, 140030, 145189, 164692, 205865, 250781, 263980, 280060, 290378, 411730, 501562, 580756, 725945, 823460, 1003124, 1253905, 1451890, 2507810, 2758591, 2903780, 5015620, 5517182, 11034364, 13792955, 27585910, 55171820]

約数ペア:

[(1, 55171820), (2, 27585910), (4, 13792955), (5, 11034364), (10, 5517182), (11, 5015620), (19, 2903780), (20, 2758591), (22, 2507810), (38, 1451890), (44, 1253905), (55, 1003124), (67, 823460), (76, 725945), (95, 580756), (110, 501562), (134, 411730), (190, 290378), (197, 280060), (209, 263980), (220, 250781), (268, 205865), (335, 164692), (380, 145189), (394, 140030), (418, 131990), (670, 82346), (737, 74860), (788, 70015), (836, 65995), (985, 56012), (1045, 52796), (1273, 43340), (1340, 41173), (1474, 37430), (1970, 28006), (2090, 26398), (2167, 25460), (2546, 21670), (2948, 18715), (3685, 14972), (3743, 14740), (3940, 14003), (4180, 13199), (4334, 12730), (5092, 10835), (6365, 8668), (7370, 7486)]