313339925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 452575200

約数和(自身を除く): 139235275

約数列:

[1, 5, 19, 23, 25, 29, 43, 95, 115, 145, 215, 437, 475, 529, 551, 575, 667, 725, 817, 989, 1075, 1247, 2185, 2645, 2755, 3335, 4085, 4945, 6235, 10051, 10925, 12673, 13225, 13775, 15341, 16675, 18791, 20425, 22747, 23693, 24725, 28681, 31175, 50255, 63365, 76705, 93955, 113735, 118465, 143405, 251275, 291479, 316825, 383525, 432193, 469775, 544939, 568675, 592325, 659663, 717025, 1457395, 2160965, 2724695, 3298315, 7286975, 10804825, 12533597, 13623475, 16491575, 62667985, 313339925]

約数ペア:

[(1, 313339925), (5, 62667985), (19, 16491575), (23, 13623475), (25, 12533597), (29, 10804825), (43, 7286975), (95, 3298315), (115, 2724695), (145, 2160965), (215, 1457395), (437, 717025), (475, 659663), (529, 592325), (551, 568675), (575, 544939), (667, 469775), (725, 432193), (817, 383525), (989, 316825), (1075, 291479), (1247, 251275), (2185, 143405), (2645, 118465), (2755, 113735), (3335, 93955), (4085, 76705), (4945, 63365), (6235, 50255), (10051, 31175), (10925, 28681), (12673, 24725), (13225, 23693), (13775, 22747), (15341, 20425), (16675, 18791)]