189907900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{509}}^1$

素因数の和:584

約数の個数: 144

約数和(自身を含む): 520591680

約数和(自身を除く): 330683780

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 41, 50, 52, 65, 70, 82, 91, 100, 130, 140, 164, 175, 182, 205, 260, 287, 325, 350, 364, 410, 455, 509, 533, 574, 650, 700, 820, 910, 1018, 1025, 1066, 1148, 1300, 1435, 1820, 2036, 2050, 2132, 2275, 2545, 2665, 2870, 3563, 3731, 4100, 4550, 5090, 5330, 5740, 6617, 7126, 7175, 7462, 9100, 10180, 10660, 12725, 13234, 13325, 14252, 14350, 14924, 17815, 18655, 20869, 25450, 26468, 26650, 28700, 33085, 35630, 37310, 41738, 46319, 50900, 53300, 66170, 71260, 74620, 83476, 89075, 92638, 93275, 104345, 132340, 146083, 165425, 178150, 185276, 186550, 208690, 231595, 271297, 292166, 330850, 356300, 373100, 417380, 463190, 521725, 542594, 584332, 661700, 730415, 926380, 1043450, 1085188, 1157975, 1356485, 1460830, 1899079, 2086900, 2315950, 2712970, 2921660, 3652075, 3798158, 4631900, 5425940, 6782425, 7304150, 7596316, 9495395, 13564850, 14608300, 18990790, 27129700, 37981580, 47476975, 94953950, 189907900]

約数ペア:

[(1, 189907900), (2, 94953950), (4, 47476975), (5, 37981580), (7, 27129700), (10, 18990790), (13, 14608300), (14, 13564850), (20, 9495395), (25, 7596316), (26, 7304150), (28, 6782425), (35, 5425940), (41, 4631900), (50, 3798158), (52, 3652075), (65, 2921660), (70, 2712970), (82, 2315950), (91, 2086900), (100, 1899079), (130, 1460830), (140, 1356485), (164, 1157975), (175, 1085188), (182, 1043450), (205, 926380), (260, 730415), (287, 661700), (325, 584332), (350, 542594), (364, 521725), (410, 463190), (455, 417380), (509, 373100), (533, 356300), (574, 330850), (650, 292166), (700, 271297), (820, 231595), (910, 208690), (1018, 186550), (1025, 185276), (1066, 178150), (1148, 165425), (1300, 146083), (1435, 132340), (1820, 104345), (2036, 93275), (2050, 92638), (2132, 89075), (2275, 83476), (2545, 74620), (2665, 71260), (2870, 66170), (3563, 53300), (3731, 50900), (4100, 46319), (4550, 41738), (5090, 37310), (5330, 35630), (5740, 33085), (6617, 28700), (7126, 26650), (7175, 26468), (7462, 25450), (9100, 20869), (10180, 18655), (10660, 17815), (12725, 14924), (13234, 14350), (13325, 14252)]