1597198900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{76421}}^1$

素因数の和:76465

約数の個数: 72

約数和(自身を含む): 3980057760

約数和(自身を除く): 2382858860

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 380, 418, 475, 550, 836, 950, 1045, 1100, 1900, 2090, 4180, 5225, 10450, 20900, 76421, 152842, 305684, 382105, 764210, 840631, 1451999, 1528420, 1681262, 1910525, 2903998, 3362524, 3821050, 4203155, 5807996, 7259995, 7642100, 8406310, 14519990, 15971989, 16812620, 21015775, 29039980, 31943978, 36299975, 42031550, 63887956, 72599950, 79859945, 84063100, 145199900, 159719890, 319439780, 399299725, 798599450, 1597198900]

約数ペア:

[(1, 1597198900), (2, 798599450), (4, 399299725), (5, 319439780), (10, 159719890), (11, 145199900), (19, 84063100), (20, 79859945), (22, 72599950), (25, 63887956), (38, 42031550), (44, 36299975), (50, 31943978), (55, 29039980), (76, 21015775), (95, 16812620), (100, 15971989), (110, 14519990), (190, 8406310), (209, 7642100), (220, 7259995), (275, 5807996), (380, 4203155), (418, 3821050), (475, 3362524), (550, 2903998), (836, 1910525), (950, 1681262), (1045, 1528420), (1100, 1451999), (1900, 840631), (2090, 764210), (4180, 382105), (5225, 305684), (10450, 152842), (20900, 76421)]