20199216700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{2473}}^1$

素因数の和:2664

約数の個数: 144

約数和(自身を含む): 48463245376

約数和(自身を除く): 28264028676

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 61, 65, 100, 103, 122, 130, 206, 244, 260, 305, 325, 412, 515, 610, 650, 793, 1030, 1220, 1300, 1339, 1525, 1586, 2060, 2473, 2575, 2678, 3050, 3172, 3965, 4946, 5150, 5356, 6100, 6283, 6695, 7930, 9892, 10300, 12365, 12566, 13390, 15860, 19825, 24730, 25132, 26780, 31415, 32149, 33475, 39650, 49460, 61825, 62830, 64298, 66950, 79300, 81679, 123650, 125660, 128596, 133900, 150853, 157075, 160745, 163358, 247300, 254719, 301706, 314150, 321490, 326716, 408395, 509438, 603412, 628300, 642980, 754265, 803725, 816790, 1018876, 1273595, 1508530, 1607450, 1633580, 1961089, 2041975, 2547190, 3017060, 3214900, 3311347, 3771325, 3922178, 4083950, 5094380, 6367975, 6622694, 7542650, 7844356, 8167900, 9805445, 12735950, 13245388, 15085300, 15537859, 16556735, 19610890, 25471900, 31075718, 33113470, 39221780, 49027225, 62151436, 66226940, 77689295, 82783675, 98054450, 155378590, 165567350, 196108900, 201992167, 310757180, 331134700, 388446475, 403984334, 776892950, 807968668, 1009960835, 1553785900, 2019921670, 4039843340, 5049804175, 10099608350, 20199216700]

約数ペア:

[(1, 20199216700), (2, 10099608350), (4, 5049804175), (5, 4039843340), (10, 2019921670), (13, 1553785900), (20, 1009960835), (25, 807968668), (26, 776892950), (50, 403984334), (52, 388446475), (61, 331134700), (65, 310757180), (100, 201992167), (103, 196108900), (122, 165567350), (130, 155378590), (206, 98054450), (244, 82783675), (260, 77689295), (305, 66226940), (325, 62151436), (412, 49027225), (515, 39221780), (610, 33113470), (650, 31075718), (793, 25471900), (1030, 19610890), (1220, 16556735), (1300, 15537859), (1339, 15085300), (1525, 13245388), (1586, 12735950), (2060, 9805445), (2473, 8167900), (2575, 7844356), (2678, 7542650), (3050, 6622694), (3172, 6367975), (3965, 5094380), (4946, 4083950), (5150, 3922178), (5356, 3771325), (6100, 3311347), (6283, 3214900), (6695, 3017060), (7930, 2547190), (9892, 2041975), (10300, 1961089), (12365, 1633580), (12566, 1607450), (13390, 1508530), (15860, 1273595), (19825, 1018876), (24730, 816790), (25132, 803725), (26780, 754265), (31415, 642980), (32149, 628300), (33475, 603412), (39650, 509438), (49460, 408395), (61825, 326716), (62830, 321490), (64298, 314150), (66950, 301706), (79300, 254719), (81679, 247300), (123650, 163358), (125660, 160745), (128596, 157075), (133900, 150853)]