228007780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1627}}^1$

素因数の和:1674

約数の個数: 144

約数和(自身を含む): 654768576

約数和(自身を除く): 426760796

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, 1627, 1820, 2002, 2156, 2548, 2695, 2860, 3185, 3254, 4004, 5005, 5390, 6370, 6508, 7007, 8135, 10010, 10780, 11389, 12740, 14014, 16270, 17897, 20020, 21151, 22778, 28028, 32540, 35035, 35794, 42302, 45556, 56945, 70070, 71588, 79723, 84604, 89485, 105755, 113890, 125279, 140140, 148057, 159446, 178970, 211510, 227780, 232661, 250558, 296114, 318892, 357940, 398615, 423020, 465322, 501116, 592228, 626395, 740285, 797230, 876953, 930644, 1036399, 1163305, 1252790, 1480570, 1594460, 1628627, 1753906, 2072798, 2326610, 2505580, 2961140, 3257254, 3507812, 4145596, 4384765, 4653220, 5181995, 6514508, 8143135, 8769530, 10363990, 11400389, 16286270, 17539060, 20727980, 22800778, 32572540, 45601556, 57001945, 114003890, 228007780]

約数ペア:

[(1, 228007780), (2, 114003890), (4, 57001945), (5, 45601556), (7, 32572540), (10, 22800778), (11, 20727980), (13, 17539060), (14, 16286270), (20, 11400389), (22, 10363990), (26, 8769530), (28, 8143135), (35, 6514508), (44, 5181995), (49, 4653220), (52, 4384765), (55, 4145596), (65, 3507812), (70, 3257254), (77, 2961140), (91, 2505580), (98, 2326610), (110, 2072798), (130, 1753906), (140, 1628627), (143, 1594460), (154, 1480570), (182, 1252790), (196, 1163305), (220, 1036399), (245, 930644), (260, 876953), (286, 797230), (308, 740285), (364, 626395), (385, 592228), (455, 501116), (490, 465322), (539, 423020), (572, 398615), (637, 357940), (715, 318892), (770, 296114), (910, 250558), (980, 232661), (1001, 227780), (1078, 211510), (1274, 178970), (1430, 159446), (1540, 148057), (1627, 140140), (1820, 125279), (2002, 113890), (2156, 105755), (2548, 89485), (2695, 84604), (2860, 79723), (3185, 71588), (3254, 70070), (4004, 56945), (5005, 45556), (5390, 42302), (6370, 35794), (6508, 35035), (7007, 32540), (8135, 28028), (10010, 22778), (10780, 21151), (11389, 20020), (12740, 17897), (14014, 16270)]