212304820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{743}}^1$

素因数の和:929

約数の個数: 96

約数和(自身を含む): 552964608

約数和(自身を除く): 340659788

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 157, 182, 260, 314, 364, 455, 628, 743, 785, 910, 1099, 1486, 1570, 1820, 2041, 2198, 2972, 3140, 3715, 4082, 4396, 5201, 5495, 7430, 8164, 9659, 10205, 10402, 10990, 14287, 14860, 19318, 20410, 20804, 21980, 26005, 28574, 38636, 40820, 48295, 52010, 57148, 67613, 71435, 96590, 104020, 116651, 135226, 142870, 193180, 233302, 270452, 285740, 338065, 466604, 583255, 676130, 816557, 1166510, 1352260, 1516463, 1633114, 2333020, 3032926, 3266228, 4082785, 6065852, 7582315, 8165570, 10615241, 15164630, 16331140, 21230482, 30329260, 42460964, 53076205, 106152410, 212304820]

約数ペア:

[(1, 212304820), (2, 106152410), (4, 53076205), (5, 42460964), (7, 30329260), (10, 21230482), (13, 16331140), (14, 15164630), (20, 10615241), (26, 8165570), (28, 7582315), (35, 6065852), (52, 4082785), (65, 3266228), (70, 3032926), (91, 2333020), (130, 1633114), (140, 1516463), (157, 1352260), (182, 1166510), (260, 816557), (314, 676130), (364, 583255), (455, 466604), (628, 338065), (743, 285740), (785, 270452), (910, 233302), (1099, 193180), (1486, 142870), (1570, 135226), (1820, 116651), (2041, 104020), (2198, 96590), (2972, 71435), (3140, 67613), (3715, 57148), (4082, 52010), (4396, 48295), (5201, 40820), (5495, 38636), (7430, 28574), (8164, 26005), (9659, 21980), (10205, 20804), (10402, 20410), (10990, 19318), (14287, 14860)]