198426280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:383

約数の個数: 96

約数和(自身を含む): 489159000

約数和(自身を除く): 290732720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 149, 169, 197, 260, 298, 338, 394, 520, 596, 676, 745, 788, 845, 985, 1192, 1352, 1490, 1576, 1690, 1937, 1970, 2561, 2980, 3380, 3874, 3940, 5122, 5960, 6760, 7748, 7880, 9685, 10244, 12805, 15496, 19370, 20488, 25181, 25610, 29353, 33293, 38740, 50362, 51220, 58706, 66586, 77480, 100724, 102440, 117412, 125905, 133172, 146765, 166465, 201448, 234824, 251810, 266344, 293530, 332930, 381589, 503620, 587060, 665860, 763178, 1007240, 1174120, 1331720, 1526356, 1907945, 3052712, 3815890, 4960657, 7631780, 9921314, 15263560, 19842628, 24803285, 39685256, 49606570, 99213140, 198426280]

約数ペア:

[(1, 198426280), (2, 99213140), (4, 49606570), (5, 39685256), (8, 24803285), (10, 19842628), (13, 15263560), (20, 9921314), (26, 7631780), (40, 4960657), (52, 3815890), (65, 3052712), (104, 1907945), (130, 1526356), (149, 1331720), (169, 1174120), (197, 1007240), (260, 763178), (298, 665860), (338, 587060), (394, 503620), (520, 381589), (596, 332930), (676, 293530), (745, 266344), (788, 251810), (845, 234824), (985, 201448), (1192, 166465), (1352, 146765), (1490, 133172), (1576, 125905), (1690, 117412), (1937, 102440), (1970, 100724), (2561, 77480), (2980, 66586), (3380, 58706), (3874, 51220), (3940, 50362), (5122, 38740), (5960, 33293), (6760, 29353), (7748, 25610), (7880, 25181), (9685, 20488), (10244, 19370), (12805, 15496)]