278364443960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{521}}^1\times {\mathrm{5861}}^1$

素因数の和:6489

約数の個数: 128

約数和(自身を含む): 654342701760

約数和(自身を除く): 375978257800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 53, 86, 106, 172, 212, 215, 265, 344, 424, 430, 521, 530, 860, 1042, 1060, 1720, 2084, 2120, 2279, 2605, 4168, 4558, 5210, 5861, 9116, 10420, 11395, 11722, 18232, 20840, 22403, 22790, 23444, 27613, 29305, 44806, 45580, 46888, 55226, 58610, 89612, 91160, 110452, 112015, 117220, 138065, 179224, 220904, 224030, 234440, 252023, 276130, 310633, 448060, 504046, 552260, 621266, 896120, 1008092, 1104520, 1187359, 1242532, 1260115, 1553165, 2016184, 2374718, 2485064, 2520230, 3053581, 3106330, 4749436, 5040460, 5936795, 6107162, 6212660, 9498872, 10080920, 11873590, 12214324, 12425320, 13357219, 15267905, 23747180, 24428648, 26714438, 30535810, 47494360, 53428876, 61071620, 66786095, 106857752, 122143240, 131303983, 133572190, 161839793, 262607966, 267144380, 323679586, 525215932, 534288760, 647359172, 656519915, 809198965, 1050431864, 1294718344, 1313039830, 1618397930, 2626079660, 3236795860, 5252159320, 6473591720, 6959111099, 13918222198, 27836444396, 34795555495, 55672888792, 69591110990, 139182221980, 278364443960]

約数ペア:

[(1, 278364443960), (2, 139182221980), (4, 69591110990), (5, 55672888792), (8, 34795555495), (10, 27836444396), (20, 13918222198), (40, 6959111099), (43, 6473591720), (53, 5252159320), (86, 3236795860), (106, 2626079660), (172, 1618397930), (212, 1313039830), (215, 1294718344), (265, 1050431864), (344, 809198965), (424, 656519915), (430, 647359172), (521, 534288760), (530, 525215932), (860, 323679586), (1042, 267144380), (1060, 262607966), (1720, 161839793), (2084, 133572190), (2120, 131303983), (2279, 122143240), (2605, 106857752), (4168, 66786095), (4558, 61071620), (5210, 53428876), (5861, 47494360), (9116, 30535810), (10420, 26714438), (11395, 24428648), (11722, 23747180), (18232, 15267905), (20840, 13357219), (22403, 12425320), (22790, 12214324), (23444, 11873590), (27613, 10080920), (29305, 9498872), (44806, 6212660), (45580, 6107162), (46888, 5936795), (55226, 5040460), (58610, 4749436), (89612, 3106330), (91160, 3053581), (110452, 2520230), (112015, 2485064), (117220, 2374718), (138065, 2016184), (179224, 1553165), (220904, 1260115), (224030, 1242532), (234440, 1187359), (252023, 1104520), (276130, 1008092), (310633, 896120), (448060, 621266), (504046, 552260)]