1916805625

素因数分解:

$5^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:536

約数の個数: 80

約数和(自身を含む): 2929462272

約数和(自身を除く): 1012656647

約数列:

[1, 5, 7, 23, 25, 35, 43, 115, 125, 161, 175, 215, 301, 443, 575, 625, 805, 875, 989, 1075, 1505, 2215, 2875, 3101, 4025, 4375, 4945, 5375, 6923, 7525, 10189, 11075, 14375, 15505, 19049, 20125, 24725, 26875, 34615, 37625, 50945, 55375, 71323, 77525, 95245, 100625, 123625, 133343, 173075, 188125, 254725, 276875, 356615, 387625, 438127, 476225, 618125, 666715, 865375, 1273625, 1783075, 1938125, 2190635, 2381125, 3066889, 3333575, 4326875, 6368125, 8915375, 10953175, 11905625, 15334445, 16667875, 44576875, 54765875, 76672225, 83339375, 273829375, 383361125, 1916805625]

約数ペア:

[(1, 1916805625), (5, 383361125), (7, 273829375), (23, 83339375), (25, 76672225), (35, 54765875), (43, 44576875), (115, 16667875), (125, 15334445), (161, 11905625), (175, 10953175), (215, 8915375), (301, 6368125), (443, 4326875), (575, 3333575), (625, 3066889), (805, 2381125), (875, 2190635), (989, 1938125), (1075, 1783075), (1505, 1273625), (2215, 865375), (2875, 666715), (3101, 618125), (4025, 476225), (4375, 438127), (4945, 387625), (5375, 356615), (6923, 276875), (7525, 254725), (10189, 188125), (11075, 173075), (14375, 133343), (15505, 123625), (19049, 100625), (20125, 95245), (24725, 77525), (26875, 71323), (34615, 55375), (37625, 50945)]