51248890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:188

約数の個数: 128

約数和(自身を含む): 126074880

約数和(自身を除く): 74825990

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 31, 35, 38, 55, 62, 70, 77, 95, 110, 113, 133, 154, 155, 190, 209, 217, 226, 266, 310, 341, 385, 418, 434, 565, 589, 665, 682, 770, 791, 1045, 1085, 1130, 1178, 1243, 1330, 1463, 1582, 1705, 2090, 2147, 2170, 2387, 2486, 2926, 2945, 3410, 3503, 3955, 4123, 4294, 4774, 5890, 6215, 6479, 7006, 7315, 7910, 8246, 8701, 10735, 11935, 12430, 12958, 14630, 15029, 17402, 17515, 20615, 21470, 23617, 23870, 24521, 30058, 32395, 35030, 38533, 41230, 43505, 45353, 47234, 49042, 64790, 66557, 75145, 77066, 87010, 90706, 118085, 122605, 133114, 150290, 165319, 192665, 226765, 236170, 245210, 269731, 330638, 332785, 385330, 453530, 465899, 539462, 665570, 732127, 826595, 931798, 1348655, 1464254, 1653190, 2329495, 2697310, 3660635, 4658990, 5124889, 7321270, 10249778, 25624445, 51248890]

約数ペア:

[(1, 51248890), (2, 25624445), (5, 10249778), (7, 7321270), (10, 5124889), (11, 4658990), (14, 3660635), (19, 2697310), (22, 2329495), (31, 1653190), (35, 1464254), (38, 1348655), (55, 931798), (62, 826595), (70, 732127), (77, 665570), (95, 539462), (110, 465899), (113, 453530), (133, 385330), (154, 332785), (155, 330638), (190, 269731), (209, 245210), (217, 236170), (226, 226765), (266, 192665), (310, 165319), (341, 150290), (385, 133114), (418, 122605), (434, 118085), (565, 90706), (589, 87010), (665, 77066), (682, 75145), (770, 66557), (791, 64790), (1045, 49042), (1085, 47234), (1130, 45353), (1178, 43505), (1243, 41230), (1330, 38533), (1463, 35030), (1582, 32395), (1705, 30058), (2090, 24521), (2147, 23870), (2170, 23617), (2387, 21470), (2486, 20615), (2926, 17515), (2945, 17402), (3410, 15029), (3503, 14630), (3955, 12958), (4123, 12430), (4294, 11935), (4774, 10735), (5890, 8701), (6215, 8246), (6479, 7910), (7006, 7315)]