279923800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:234

約数の個数: 192

約数和(自身を含む): 759951360

約数和(自身を除く): 480027560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 25, 26, 31, 40, 46, 50, 52, 62, 65, 92, 100, 104, 115, 124, 130, 151, 155, 184, 200, 230, 248, 260, 299, 302, 310, 325, 403, 460, 520, 575, 598, 604, 620, 650, 713, 755, 775, 806, 920, 1150, 1196, 1208, 1240, 1300, 1426, 1495, 1510, 1550, 1612, 1963, 2015, 2300, 2392, 2600, 2852, 2990, 3020, 3100, 3224, 3473, 3565, 3775, 3926, 4030, 4600, 4681, 5704, 5980, 6040, 6200, 6946, 7130, 7475, 7550, 7852, 8060, 9269, 9362, 9815, 10075, 11960, 13892, 14260, 14950, 15100, 15704, 16120, 17365, 17825, 18538, 18724, 19630, 20150, 23405, 27784, 28520, 29900, 30200, 34730, 35650, 37076, 37448, 39260, 40300, 45149, 46345, 46810, 49075, 59800, 60853, 69460, 71300, 74152, 78520, 80600, 86825, 90298, 92690, 93620, 98150, 107663, 117025, 121706, 138920, 142600, 173650, 180596, 185380, 187240, 196300, 215326, 225745, 231725, 234050, 243412, 304265, 347300, 361192, 370760, 392600, 430652, 451490, 463450, 468100, 486824, 538315, 608530, 694600, 861304, 902980, 926900, 936200, 1076630, 1128725, 1217060, 1399619, 1521325, 1805960, 1853800, 2153260, 2257450, 2434120, 2691575, 2799238, 3042650, 4306520, 4514900, 5383150, 5598476, 6085300, 6998095, 9029800, 10766300, 11196952, 12170600, 13996190, 21532600, 27992380, 34990475, 55984760, 69980950, 139961900, 279923800]

約数ペア:

[(1, 279923800), (2, 139961900), (4, 69980950), (5, 55984760), (8, 34990475), (10, 27992380), (13, 21532600), (20, 13996190), (23, 12170600), (25, 11196952), (26, 10766300), (31, 9029800), (40, 6998095), (46, 6085300), (50, 5598476), (52, 5383150), (62, 4514900), (65, 4306520), (92, 3042650), (100, 2799238), (104, 2691575), (115, 2434120), (124, 2257450), (130, 2153260), (151, 1853800), (155, 1805960), (184, 1521325), (200, 1399619), (230, 1217060), (248, 1128725), (260, 1076630), (299, 936200), (302, 926900), (310, 902980), (325, 861304), (403, 694600), (460, 608530), (520, 538315), (575, 486824), (598, 468100), (604, 463450), (620, 451490), (650, 430652), (713, 392600), (755, 370760), (775, 361192), (806, 347300), (920, 304265), (1150, 243412), (1196, 234050), (1208, 231725), (1240, 225745), (1300, 215326), (1426, 196300), (1495, 187240), (1510, 185380), (1550, 180596), (1612, 173650), (1963, 142600), (2015, 138920), (2300, 121706), (2392, 117025), (2600, 107663), (2852, 98150), (2990, 93620), (3020, 92690), (3100, 90298), (3224, 86825), (3473, 80600), (3565, 78520), (3775, 74152), (3926, 71300), (4030, 69460), (4600, 60853), (4681, 59800), (5704, 49075), (5980, 46810), (6040, 46345), (6200, 45149), (6946, 40300), (7130, 39260), (7475, 37448), (7550, 37076), (7852, 35650), (8060, 34730), (9269, 30200), (9362, 29900), (9815, 28520), (10075, 27784), (11960, 23405), (13892, 20150), (14260, 19630), (14950, 18724), (15100, 18538), (15704, 17825), (16120, 17365)]