920550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:70

約数の個数: 72

約数和(自身を含む): 2551176

約数和(自身を除く): 1630626

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 19, 25, 30, 34, 38, 50, 51, 57, 75, 85, 95, 102, 114, 150, 170, 190, 255, 285, 323, 361, 425, 475, 510, 570, 646, 722, 850, 950, 969, 1083, 1275, 1425, 1615, 1805, 1938, 2166, 2550, 2850, 3230, 3610, 4845, 5415, 6137, 8075, 9025, 9690, 10830, 12274, 16150, 18050, 18411, 24225, 27075, 30685, 36822, 48450, 54150, 61370, 92055, 153425, 184110, 306850, 460275, 920550]

約数ペア:

[(1, 920550), (2, 460275), (3, 306850), (5, 184110), (6, 153425), (10, 92055), (15, 61370), (17, 54150), (19, 48450), (25, 36822), (30, 30685), (34, 27075), (38, 24225), (50, 18411), (51, 18050), (57, 16150), (75, 12274), (85, 10830), (95, 9690), (102, 9025), (114, 8075), (150, 6137), (170, 5415), (190, 4845), (255, 3610), (285, 3230), (323, 2850), (361, 2550), (425, 2166), (475, 1938), (510, 1805), (570, 1615), (646, 1425), (722, 1275), (850, 1083), (950, 969)]