404893580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:308

約数の個数: 144

約数和(自身を含む): 1068661440

約数和(自身を除く): 663767860

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 109, 130, 140, 157, 169, 182, 218, 260, 314, 338, 364, 436, 455, 545, 628, 676, 763, 785, 845, 910, 1090, 1099, 1183, 1417, 1526, 1570, 1690, 1820, 2041, 2180, 2198, 2366, 2834, 3052, 3140, 3380, 3815, 4082, 4396, 4732, 5495, 5668, 5915, 7085, 7630, 8164, 9919, 10205, 10990, 11830, 14170, 14287, 15260, 17113, 18421, 19838, 20410, 21980, 23660, 26533, 28340, 28574, 34226, 36842, 39676, 40820, 49595, 53066, 57148, 68452, 71435, 73684, 85565, 92105, 99190, 106132, 119791, 128947, 132665, 142870, 171130, 184210, 185731, 198380, 222469, 239582, 257894, 265330, 285740, 342260, 368420, 371462, 444938, 479164, 515788, 530660, 598955, 644735, 742924, 889876, 928655, 1112345, 1197910, 1289470, 1557283, 1857310, 2224690, 2395820, 2578940, 2892097, 3114566, 3714620, 4449380, 5784194, 6229132, 7786415, 11568388, 14460485, 15572830, 20244679, 28920970, 31145660, 40489358, 57841940, 80978716, 101223395, 202446790, 404893580]

約数ペア:

[(1, 404893580), (2, 202446790), (4, 101223395), (5, 80978716), (7, 57841940), (10, 40489358), (13, 31145660), (14, 28920970), (20, 20244679), (26, 15572830), (28, 14460485), (35, 11568388), (52, 7786415), (65, 6229132), (70, 5784194), (91, 4449380), (109, 3714620), (130, 3114566), (140, 2892097), (157, 2578940), (169, 2395820), (182, 2224690), (218, 1857310), (260, 1557283), (314, 1289470), (338, 1197910), (364, 1112345), (436, 928655), (455, 889876), (545, 742924), (628, 644735), (676, 598955), (763, 530660), (785, 515788), (845, 479164), (910, 444938), (1090, 371462), (1099, 368420), (1183, 342260), (1417, 285740), (1526, 265330), (1570, 257894), (1690, 239582), (1820, 222469), (2041, 198380), (2180, 185731), (2198, 184210), (2366, 171130), (2834, 142870), (3052, 132665), (3140, 128947), (3380, 119791), (3815, 106132), (4082, 99190), (4396, 92105), (4732, 85565), (5495, 73684), (5668, 71435), (5915, 68452), (7085, 57148), (7630, 53066), (8164, 49595), (9919, 40820), (10205, 39676), (10990, 36842), (11830, 34226), (14170, 28574), (14287, 28340), (15260, 26533), (17113, 23660), (18421, 21980), (19838, 20410)]