220159940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1571}}^1$

素因数の和:1618

約数の個数: 144

約数和(自身を含む): 632245824

約数和(自身を除く): 412085884

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 49, 52, 55, 65, 70, 77, 91, 98, 110, 130, 140, 143, 154, 182, 196, 220, 245, 260, 286, 308, 364, 385, 455, 490, 539, 572, 637, 715, 770, 910, 980, 1001, 1078, 1274, 1430, 1540, 1571, 1820, 2002, 2156, 2548, 2695, 2860, 3142, 3185, 4004, 5005, 5390, 6284, 6370, 7007, 7855, 10010, 10780, 10997, 12740, 14014, 15710, 17281, 20020, 20423, 21994, 28028, 31420, 34562, 35035, 40846, 43988, 54985, 69124, 70070, 76979, 81692, 86405, 102115, 109970, 120967, 140140, 142961, 153958, 172810, 204230, 219940, 224653, 241934, 285922, 307916, 345620, 384895, 408460, 449306, 483868, 571844, 604835, 714805, 769790, 846769, 898612, 1000727, 1123265, 1209670, 1429610, 1539580, 1572571, 1693538, 2001454, 2246530, 2419340, 2859220, 3145142, 3387076, 4002908, 4233845, 4493060, 5003635, 6290284, 7862855, 8467690, 10007270, 11007997, 15725710, 16935380, 20014540, 22015994, 31451420, 44031988, 55039985, 110079970, 220159940]

約数ペア:

[(1, 220159940), (2, 110079970), (4, 55039985), (5, 44031988), (7, 31451420), (10, 22015994), (11, 20014540), (13, 16935380), (14, 15725710), (20, 11007997), (22, 10007270), (26, 8467690), (28, 7862855), (35, 6290284), (44, 5003635), (49, 4493060), (52, 4233845), (55, 4002908), (65, 3387076), (70, 3145142), (77, 2859220), (91, 2419340), (98, 2246530), (110, 2001454), (130, 1693538), (140, 1572571), (143, 1539580), (154, 1429610), (182, 1209670), (196, 1123265), (220, 1000727), (245, 898612), (260, 846769), (286, 769790), (308, 714805), (364, 604835), (385, 571844), (455, 483868), (490, 449306), (539, 408460), (572, 384895), (637, 345620), (715, 307916), (770, 285922), (910, 241934), (980, 224653), (1001, 219940), (1078, 204230), (1274, 172810), (1430, 153958), (1540, 142961), (1571, 140140), (1820, 120967), (2002, 109970), (2156, 102115), (2548, 86405), (2695, 81692), (2860, 76979), (3142, 70070), (3185, 69124), (4004, 54985), (5005, 43988), (5390, 40846), (6284, 35035), (6370, 34562), (7007, 31420), (7855, 28028), (10010, 21994), (10780, 20423), (10997, 20020), (12740, 17281), (14014, 15710)]