390450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 1026720

約数和(自身を除く): 636270

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 75, 95, 114, 137, 150, 190, 274, 285, 411, 475, 570, 685, 822, 950, 1370, 1425, 2055, 2603, 2850, 3425, 4110, 5206, 6850, 7809, 10275, 13015, 15618, 20550, 26030, 39045, 65075, 78090, 130150, 195225, 390450]

約数ペア:

[(1, 390450), (2, 195225), (3, 130150), (5, 78090), (6, 65075), (10, 39045), (15, 26030), (19, 20550), (25, 15618), (30, 13015), (38, 10275), (50, 7809), (57, 6850), (75, 5206), (95, 4110), (114, 3425), (137, 2850), (150, 2603), (190, 2055), (274, 1425), (285, 1370), (411, 950), (475, 822), (570, 685)]