243983740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1741}}^1$

素因数の和:1788

約数の個数: 144

約数和(自身を含む): 700618464

約数和(自身を除く): 456634724

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, 1741, 1820, 2002, 2156, 2548, 2695, 2860, 3185, 3482, 4004, 5005, 5390, 6370, 6964, 7007, 8705, 10010, 10780, 12187, 12740, 14014, 17410, 19151, 20020, 22633, 24374, 28028, 34820, 35035, 38302, 45266, 48748, 60935, 70070, 76604, 85309, 90532, 95755, 113165, 121870, 134057, 140140, 158431, 170618, 191510, 226330, 243740, 248963, 268114, 316862, 341236, 383020, 426545, 452660, 497926, 536228, 633724, 670285, 792155, 853090, 938399, 995852, 1109017, 1244815, 1340570, 1584310, 1706180, 1742741, 1876798, 2218034, 2489630, 2681140, 3168620, 3485482, 3753596, 4436068, 4691995, 4979260, 5545085, 6970964, 8713705, 9383990, 11090170, 12199187, 17427410, 18767980, 22180340, 24398374, 34854820, 48796748, 60995935, 121991870, 243983740]

約数ペア:

[(1, 243983740), (2, 121991870), (4, 60995935), (5, 48796748), (7, 34854820), (10, 24398374), (11, 22180340), (13, 18767980), (14, 17427410), (20, 12199187), (22, 11090170), (26, 9383990), (28, 8713705), (35, 6970964), (44, 5545085), (49, 4979260), (52, 4691995), (55, 4436068), (65, 3753596), (70, 3485482), (77, 3168620), (91, 2681140), (98, 2489630), (110, 2218034), (130, 1876798), (140, 1742741), (143, 1706180), (154, 1584310), (182, 1340570), (196, 1244815), (220, 1109017), (245, 995852), (260, 938399), (286, 853090), (308, 792155), (364, 670285), (385, 633724), (455, 536228), (490, 497926), (539, 452660), (572, 426545), (637, 383020), (715, 341236), (770, 316862), (910, 268114), (980, 248963), (1001, 243740), (1078, 226330), (1274, 191510), (1430, 170618), (1540, 158431), (1741, 140140), (1820, 134057), (2002, 121870), (2156, 113165), (2548, 95755), (2695, 90532), (2860, 85309), (3185, 76604), (3482, 70070), (4004, 60935), (5005, 48748), (5390, 45266), (6370, 38302), (6964, 35035), (7007, 34820), (8705, 28028), (10010, 24374), (10780, 22633), (12187, 20020), (12740, 19151), (14014, 17410)]