206513320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:635

約数の個数: 128

約数和(自身を含む): 539965440

約数和(自身を除く): 333452120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 31, 40, 46, 52, 62, 65, 92, 104, 115, 124, 130, 155, 184, 230, 248, 260, 299, 310, 403, 460, 520, 557, 598, 620, 713, 806, 920, 1114, 1196, 1240, 1426, 1495, 1612, 2015, 2228, 2392, 2785, 2852, 2990, 3224, 3565, 4030, 4456, 5570, 5704, 5980, 7130, 7241, 8060, 9269, 11140, 11960, 12811, 14260, 14482, 16120, 17267, 18538, 22280, 25622, 28520, 28964, 34534, 36205, 37076, 46345, 51244, 57928, 64055, 69068, 72410, 74152, 86335, 92690, 102488, 128110, 138136, 144820, 166543, 172670, 185380, 224471, 256220, 289640, 333086, 345340, 370760, 397141, 448942, 512440, 666172, 690680, 794282, 832715, 897884, 1122355, 1332344, 1588564, 1665430, 1795768, 1985705, 2244710, 3177128, 3330860, 3971410, 4489420, 5162833, 6661720, 7942820, 8978840, 10325666, 15885640, 20651332, 25814165, 41302664, 51628330, 103256660, 206513320]

約数ペア:

[(1, 206513320), (2, 103256660), (4, 51628330), (5, 41302664), (8, 25814165), (10, 20651332), (13, 15885640), (20, 10325666), (23, 8978840), (26, 7942820), (31, 6661720), (40, 5162833), (46, 4489420), (52, 3971410), (62, 3330860), (65, 3177128), (92, 2244710), (104, 1985705), (115, 1795768), (124, 1665430), (130, 1588564), (155, 1332344), (184, 1122355), (230, 897884), (248, 832715), (260, 794282), (299, 690680), (310, 666172), (403, 512440), (460, 448942), (520, 397141), (557, 370760), (598, 345340), (620, 333086), (713, 289640), (806, 256220), (920, 224471), (1114, 185380), (1196, 172670), (1240, 166543), (1426, 144820), (1495, 138136), (1612, 128110), (2015, 102488), (2228, 92690), (2392, 86335), (2785, 74152), (2852, 72410), (2990, 69068), (3224, 64055), (3565, 57928), (4030, 51244), (4456, 46345), (5570, 37076), (5704, 36205), (5980, 34534), (7130, 28964), (7241, 28520), (8060, 25622), (9269, 22280), (11140, 18538), (11960, 17267), (12811, 16120), (14260, 14482)]