28906955870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{5651}}^1$

素因数の和:5818

約数の個数: 96

約数和(自身を含む): 59692580640

約数和(自身を除く): 30785624770

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 109, 130, 190, 218, 247, 361, 494, 545, 722, 1090, 1235, 1417, 1805, 2071, 2470, 2834, 3610, 4142, 4693, 5651, 7085, 9386, 10355, 11302, 14170, 20710, 23465, 26923, 28255, 39349, 46930, 53846, 56510, 73463, 78698, 107369, 134615, 146926, 196745, 214738, 269230, 367315, 393490, 511537, 536845, 615959, 734630, 1023074, 1073690, 1231918, 1395797, 2040011, 2557685, 2791594, 3079795, 4080022, 5115370, 6159590, 6978985, 8007467, 10200055, 11703221, 13957970, 16014934, 20400110, 23406442, 26520143, 40037335, 53040286, 58516105, 80074670, 117032210, 132600715, 152141873, 222361199, 265201430, 304283746, 444722398, 760709365, 1111805995, 1521418730, 2223611990, 2890695587, 5781391174, 14453477935, 28906955870]

約数ペア:

[(1, 28906955870), (2, 14453477935), (5, 5781391174), (10, 2890695587), (13, 2223611990), (19, 1521418730), (26, 1111805995), (38, 760709365), (65, 444722398), (95, 304283746), (109, 265201430), (130, 222361199), (190, 152141873), (218, 132600715), (247, 117032210), (361, 80074670), (494, 58516105), (545, 53040286), (722, 40037335), (1090, 26520143), (1235, 23406442), (1417, 20400110), (1805, 16014934), (2071, 13957970), (2470, 11703221), (2834, 10200055), (3610, 8007467), (4142, 6978985), (4693, 6159590), (5651, 5115370), (7085, 4080022), (9386, 3079795), (10355, 2791594), (11302, 2557685), (14170, 2040011), (20710, 1395797), (23465, 1231918), (26923, 1073690), (28255, 1023074), (39349, 734630), (46930, 615959), (53846, 536845), (56510, 511537), (73463, 393490), (78698, 367315), (107369, 269230), (134615, 214738), (146926, 196745)]