127840900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 327979008

約数和(自身を除く): 200138108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 31, 44, 46, 50, 55, 62, 92, 100, 110, 115, 124, 155, 163, 220, 230, 253, 275, 310, 326, 341, 460, 506, 550, 575, 620, 652, 682, 713, 775, 815, 1012, 1100, 1150, 1265, 1364, 1426, 1550, 1630, 1705, 1793, 2300, 2530, 2852, 3100, 3260, 3410, 3565, 3586, 3749, 4075, 5053, 5060, 6325, 6820, 7130, 7172, 7498, 7843, 8150, 8525, 8965, 10106, 12650, 14260, 14996, 15686, 16300, 17050, 17825, 17930, 18745, 20212, 25265, 25300, 31372, 34100, 35650, 35860, 37490, 39215, 41239, 44825, 50530, 55583, 71300, 74980, 78430, 82478, 89650, 93725, 101060, 111166, 116219, 126325, 156860, 164956, 179300, 187450, 196075, 206195, 222332, 232438, 252650, 277915, 374900, 392150, 412390, 464876, 505300, 555830, 581095, 784300, 824780, 1030975, 1111660, 1162190, 1278409, 1389575, 2061950, 2324380, 2556818, 2779150, 2905475, 4123900, 5113636, 5558300, 5810950, 6392045, 11621900, 12784090, 25568180, 31960225, 63920450, 127840900]

約数ペア:

[(1, 127840900), (2, 63920450), (4, 31960225), (5, 25568180), (10, 12784090), (11, 11621900), (20, 6392045), (22, 5810950), (23, 5558300), (25, 5113636), (31, 4123900), (44, 2905475), (46, 2779150), (50, 2556818), (55, 2324380), (62, 2061950), (92, 1389575), (100, 1278409), (110, 1162190), (115, 1111660), (124, 1030975), (155, 824780), (163, 784300), (220, 581095), (230, 555830), (253, 505300), (275, 464876), (310, 412390), (326, 392150), (341, 374900), (460, 277915), (506, 252650), (550, 232438), (575, 222332), (620, 206195), (652, 196075), (682, 187450), (713, 179300), (775, 164956), (815, 156860), (1012, 126325), (1100, 116219), (1150, 111166), (1265, 101060), (1364, 93725), (1426, 89650), (1550, 82478), (1630, 78430), (1705, 74980), (1793, 71300), (2300, 55583), (2530, 50530), (2852, 44825), (3100, 41239), (3260, 39215), (3410, 37490), (3565, 35860), (3586, 35650), (3749, 34100), (4075, 31372), (5053, 25300), (5060, 25265), (6325, 20212), (6820, 18745), (7130, 17930), (7172, 17825), (7498, 17050), (7843, 16300), (8150, 15686), (8525, 14996), (8965, 14260), (10106, 12650)]