209489940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3413}}^1$

素因数の和:3470

約数の個数: 144

約数和(自身を含む): 715792896

約数和(自身を除く): 506302956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 124, 132, 155, 165, 180, 186, 198, 220, 279, 310, 330, 341, 372, 396, 465, 495, 558, 620, 660, 682, 930, 990, 1023, 1116, 1364, 1395, 1705, 1860, 1980, 2046, 2790, 3069, 3410, 3413, 4092, 5115, 5580, 6138, 6820, 6826, 10230, 10239, 12276, 13652, 15345, 17065, 20460, 20478, 30690, 30717, 34130, 37543, 40956, 51195, 61380, 61434, 68260, 75086, 102390, 105803, 112629, 122868, 150172, 153585, 187715, 204780, 211606, 225258, 307170, 317409, 337887, 375430, 423212, 450516, 529015, 563145, 614340, 634818, 675774, 750860, 952227, 1058030, 1126290, 1163833, 1269636, 1351548, 1587045, 1689435, 1904454, 2116060, 2252580, 2327666, 3174090, 3378870, 3491499, 3808908, 4655332, 4761135, 5819165, 6348180, 6757740, 6982998, 9522270, 10474497, 11638330, 13965996, 17457495, 19044540, 20948994, 23276660, 34914990, 41897988, 52372485, 69829980, 104744970, 209489940]

約数ペア:

[(1, 209489940), (2, 104744970), (3, 69829980), (4, 52372485), (5, 41897988), (6, 34914990), (9, 23276660), (10, 20948994), (11, 19044540), (12, 17457495), (15, 13965996), (18, 11638330), (20, 10474497), (22, 9522270), (30, 6982998), (31, 6757740), (33, 6348180), (36, 5819165), (44, 4761135), (45, 4655332), (55, 3808908), (60, 3491499), (62, 3378870), (66, 3174090), (90, 2327666), (93, 2252580), (99, 2116060), (110, 1904454), (124, 1689435), (132, 1587045), (155, 1351548), (165, 1269636), (180, 1163833), (186, 1126290), (198, 1058030), (220, 952227), (279, 750860), (310, 675774), (330, 634818), (341, 614340), (372, 563145), (396, 529015), (465, 450516), (495, 423212), (558, 375430), (620, 337887), (660, 317409), (682, 307170), (930, 225258), (990, 211606), (1023, 204780), (1116, 187715), (1364, 153585), (1395, 150172), (1705, 122868), (1860, 112629), (1980, 105803), (2046, 102390), (2790, 75086), (3069, 68260), (3410, 61434), (3413, 61380), (4092, 51195), (5115, 40956), (5580, 37543), (6138, 34130), (6820, 30717), (6826, 30690), (10230, 20478), (10239, 20460), (12276, 17065), (13652, 15345)]