221488750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1489}}^1$

素因数の和:1535

約数の個数: 80

約数和(自身を含む): 502714080

約数和(自身を除く): 281225330

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 50, 70, 85, 119, 125, 170, 175, 238, 250, 350, 425, 595, 625, 850, 875, 1190, 1250, 1489, 1750, 2125, 2975, 2978, 4250, 4375, 5950, 7445, 8750, 10423, 10625, 14875, 14890, 20846, 21250, 25313, 29750, 37225, 50626, 52115, 74375, 74450, 104230, 126565, 148750, 177191, 186125, 253130, 260575, 354382, 372250, 521150, 632825, 885955, 930625, 1265650, 1302875, 1771910, 1861250, 2605750, 3164125, 4429775, 6328250, 6514375, 8859550, 13028750, 15820625, 22148875, 31641250, 44297750, 110744375, 221488750]

約数ペア:

[(1, 221488750), (2, 110744375), (5, 44297750), (7, 31641250), (10, 22148875), (14, 15820625), (17, 13028750), (25, 8859550), (34, 6514375), (35, 6328250), (50, 4429775), (70, 3164125), (85, 2605750), (119, 1861250), (125, 1771910), (170, 1302875), (175, 1265650), (238, 930625), (250, 885955), (350, 632825), (425, 521150), (595, 372250), (625, 354382), (850, 260575), (875, 253130), (1190, 186125), (1250, 177191), (1489, 148750), (1750, 126565), (2125, 104230), (2975, 74450), (2978, 74375), (4250, 52115), (4375, 50626), (5950, 37225), (7445, 29750), (8750, 25313), (10423, 21250), (10625, 20846), (14875, 14890)]