217156940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10847}}^1$

素因数の和:10887

約数の個数: 96

約数和(自身を含む): 612347904

約数和(自身を除く): 395190964

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1430, 1540, 1820, 2002, 2860, 4004, 5005, 10010, 10847, 20020, 21694, 43388, 54235, 75929, 108470, 119317, 141011, 151858, 216940, 238634, 282022, 303716, 379645, 477268, 564044, 596585, 705055, 759290, 835219, 987077, 1193170, 1410110, 1518580, 1551121, 1670438, 1974154, 2386340, 2820220, 3102242, 3340876, 3948308, 4176095, 4935385, 6204484, 7755605, 8352190, 9870770, 10857847, 15511210, 16704380, 19741540, 21715694, 31022420, 43431388, 54289235, 108578470, 217156940]

約数ペア:

[(1, 217156940), (2, 108578470), (4, 54289235), (5, 43431388), (7, 31022420), (10, 21715694), (11, 19741540), (13, 16704380), (14, 15511210), (20, 10857847), (22, 9870770), (26, 8352190), (28, 7755605), (35, 6204484), (44, 4935385), (52, 4176095), (55, 3948308), (65, 3340876), (70, 3102242), (77, 2820220), (91, 2386340), (110, 1974154), (130, 1670438), (140, 1551121), (143, 1518580), (154, 1410110), (182, 1193170), (220, 987077), (260, 835219), (286, 759290), (308, 705055), (364, 596585), (385, 564044), (455, 477268), (572, 379645), (715, 303716), (770, 282022), (910, 238634), (1001, 216940), (1430, 151858), (1540, 141011), (1820, 119317), (2002, 108470), (2860, 75929), (4004, 54235), (5005, 43388), (10010, 21694), (10847, 20020)]