389618900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:282

約数の個数: 144

約数和(自身を含む): 968563008

約数和(自身を除く): 578944108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 53, 55, 82, 100, 106, 110, 163, 164, 205, 212, 220, 265, 275, 326, 410, 451, 530, 550, 583, 652, 815, 820, 902, 1025, 1060, 1100, 1166, 1325, 1630, 1793, 1804, 2050, 2173, 2255, 2332, 2650, 2915, 3260, 3586, 4075, 4100, 4346, 4510, 5300, 5830, 6683, 7172, 8150, 8639, 8692, 8965, 9020, 10865, 11275, 11660, 13366, 14575, 16300, 17278, 17930, 21730, 22550, 23903, 26732, 29150, 33415, 34556, 35860, 43195, 43460, 44825, 45100, 47806, 54325, 58300, 66830, 73513, 86390, 89650, 95029, 95612, 108650, 119515, 133660, 147026, 167075, 172780, 179300, 190058, 215975, 217300, 239030, 294052, 334150, 354199, 367565, 380116, 431950, 475145, 478060, 597575, 668300, 708398, 735130, 863900, 950290, 1195150, 1416796, 1470260, 1770995, 1837825, 1900580, 2375725, 2390300, 3541990, 3675650, 3896189, 4751450, 7083980, 7351300, 7792378, 8854975, 9502900, 15584756, 17709950, 19480945, 35419900, 38961890, 77923780, 97404725, 194809450, 389618900]

約数ペア:

[(1, 389618900), (2, 194809450), (4, 97404725), (5, 77923780), (10, 38961890), (11, 35419900), (20, 19480945), (22, 17709950), (25, 15584756), (41, 9502900), (44, 8854975), (50, 7792378), (53, 7351300), (55, 7083980), (82, 4751450), (100, 3896189), (106, 3675650), (110, 3541990), (163, 2390300), (164, 2375725), (205, 1900580), (212, 1837825), (220, 1770995), (265, 1470260), (275, 1416796), (326, 1195150), (410, 950290), (451, 863900), (530, 735130), (550, 708398), (583, 668300), (652, 597575), (815, 478060), (820, 475145), (902, 431950), (1025, 380116), (1060, 367565), (1100, 354199), (1166, 334150), (1325, 294052), (1630, 239030), (1793, 217300), (1804, 215975), (2050, 190058), (2173, 179300), (2255, 172780), (2332, 167075), (2650, 147026), (2915, 133660), (3260, 119515), (3586, 108650), (4075, 95612), (4100, 95029), (4346, 89650), (4510, 86390), (5300, 73513), (5830, 66830), (6683, 58300), (7172, 54325), (8150, 47806), (8639, 45100), (8692, 44825), (8965, 43460), (9020, 43195), (10865, 35860), (11275, 34556), (11660, 33415), (13366, 29150), (14575, 26732), (16300, 23903), (17278, 22550), (17930, 21730)]