205677560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:957

約数の個数: 128

約数和(自身を含む): 552407040

約数和(自身を除く): 346729480

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 31, 34, 40, 44, 55, 62, 68, 85, 88, 110, 124, 136, 155, 170, 187, 220, 248, 310, 340, 341, 374, 440, 527, 620, 680, 682, 748, 887, 935, 1054, 1240, 1364, 1496, 1705, 1774, 1870, 2108, 2635, 2728, 3410, 3548, 3740, 4216, 4435, 5270, 5797, 6820, 7096, 7480, 8870, 9757, 10540, 11594, 13640, 15079, 17740, 19514, 21080, 23188, 27497, 28985, 30158, 35480, 39028, 46376, 48785, 54994, 57970, 60316, 75395, 78056, 97570, 109988, 115940, 120632, 137485, 150790, 165869, 195140, 219976, 231880, 274970, 301580, 302467, 331738, 390280, 467449, 549940, 603160, 604934, 663476, 829345, 934898, 1099880, 1209868, 1326952, 1512335, 1658690, 1869796, 2337245, 2419736, 3024670, 3317380, 3739592, 4674490, 5141939, 6049340, 6634760, 9348980, 10283878, 12098680, 18697960, 20567756, 25709695, 41135512, 51419390, 102838780, 205677560]

約数ペア:

[(1, 205677560), (2, 102838780), (4, 51419390), (5, 41135512), (8, 25709695), (10, 20567756), (11, 18697960), (17, 12098680), (20, 10283878), (22, 9348980), (31, 6634760), (34, 6049340), (40, 5141939), (44, 4674490), (55, 3739592), (62, 3317380), (68, 3024670), (85, 2419736), (88, 2337245), (110, 1869796), (124, 1658690), (136, 1512335), (155, 1326952), (170, 1209868), (187, 1099880), (220, 934898), (248, 829345), (310, 663476), (340, 604934), (341, 603160), (374, 549940), (440, 467449), (527, 390280), (620, 331738), (680, 302467), (682, 301580), (748, 274970), (887, 231880), (935, 219976), (1054, 195140), (1240, 165869), (1364, 150790), (1496, 137485), (1705, 120632), (1774, 115940), (1870, 109988), (2108, 97570), (2635, 78056), (2728, 75395), (3410, 60316), (3548, 57970), (3740, 54994), (4216, 48785), (4435, 46376), (5270, 39028), (5797, 35480), (6820, 30158), (7096, 28985), (7480, 27497), (8870, 23188), (9757, 21080), (10540, 19514), (11594, 17740), (13640, 15079)]