217767760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{761}}^1$

素因数の和:861

約数の個数: 120

約数和(自身を含む): 597825576

約数和(自身を除く): 380057816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 73, 80, 98, 112, 140, 146, 196, 245, 280, 292, 365, 392, 490, 511, 560, 584, 730, 761, 784, 980, 1022, 1168, 1460, 1522, 1960, 2044, 2555, 2920, 3044, 3577, 3805, 3920, 4088, 5110, 5327, 5840, 6088, 7154, 7610, 8176, 10220, 10654, 12176, 14308, 15220, 17885, 20440, 21308, 26635, 28616, 30440, 35770, 37289, 40880, 42616, 53270, 55553, 57232, 60880, 71540, 74578, 85232, 106540, 111106, 143080, 149156, 186445, 213080, 222212, 277765, 286160, 298312, 372890, 388871, 426160, 444424, 555530, 596624, 745780, 777742, 888848, 1111060, 1491560, 1555484, 1944355, 2222120, 2722097, 2983120, 3110968, 3888710, 4444240, 5444194, 6221936, 7777420, 10888388, 13610485, 15554840, 21776776, 27220970, 31109680, 43553552, 54441940, 108883880, 217767760]

約数ペア:

[(1, 217767760), (2, 108883880), (4, 54441940), (5, 43553552), (7, 31109680), (8, 27220970), (10, 21776776), (14, 15554840), (16, 13610485), (20, 10888388), (28, 7777420), (35, 6221936), (40, 5444194), (49, 4444240), (56, 3888710), (70, 3110968), (73, 2983120), (80, 2722097), (98, 2222120), (112, 1944355), (140, 1555484), (146, 1491560), (196, 1111060), (245, 888848), (280, 777742), (292, 745780), (365, 596624), (392, 555530), (490, 444424), (511, 426160), (560, 388871), (584, 372890), (730, 298312), (761, 286160), (784, 277765), (980, 222212), (1022, 213080), (1168, 186445), (1460, 149156), (1522, 143080), (1960, 111106), (2044, 106540), (2555, 85232), (2920, 74578), (3044, 71540), (3577, 60880), (3805, 57232), (3920, 55553), (4088, 53270), (5110, 42616), (5327, 40880), (5840, 37289), (6088, 35770), (7154, 30440), (7610, 28616), (8176, 26635), (10220, 21308), (10654, 20440), (12176, 17885), (14308, 15220)]