494712880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{10499}}^1$

素因数の和:10562

約数の個数: 80

約数和(自身を含む): 1249920000

約数和(自身を除く): 755207120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 5890, 9424, 10499, 11780, 20998, 23560, 41996, 47120, 52495, 83992, 104990, 167984, 199481, 209980, 325469, 398962, 419960, 650938, 797924, 839920, 997405, 1301876, 1595848, 1627345, 1994810, 2603752, 3191696, 3254690, 3989620, 5207504, 6183911, 6509380, 7979240, 12367822, 13018760, 15958480, 24735644, 26037520, 30919555, 49471288, 61839110, 98942576, 123678220, 247356440, 494712880]

約数ペア:

[(1, 494712880), (2, 247356440), (4, 123678220), (5, 98942576), (8, 61839110), (10, 49471288), (16, 30919555), (19, 26037520), (20, 24735644), (31, 15958480), (38, 13018760), (40, 12367822), (62, 7979240), (76, 6509380), (80, 6183911), (95, 5207504), (124, 3989620), (152, 3254690), (155, 3191696), (190, 2603752), (248, 1994810), (304, 1627345), (310, 1595848), (380, 1301876), (496, 997405), (589, 839920), (620, 797924), (760, 650938), (1178, 419960), (1240, 398962), (1520, 325469), (2356, 209980), (2480, 199481), (2945, 167984), (4712, 104990), (5890, 83992), (9424, 52495), (10499, 47120), (11780, 41996), (20998, 23560)]