205657100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 519300096

約数和(自身を除く): 313642996

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 37, 44, 50, 55, 62, 74, 100, 110, 124, 148, 155, 163, 185, 220, 275, 310, 326, 341, 370, 407, 550, 620, 652, 682, 740, 775, 814, 815, 925, 1100, 1147, 1364, 1550, 1628, 1630, 1705, 1793, 1850, 2035, 2294, 3100, 3260, 3410, 3586, 3700, 4070, 4075, 4588, 5053, 5735, 6031, 6820, 7172, 8140, 8150, 8525, 8965, 10106, 10175, 11470, 12062, 12617, 16300, 17050, 17930, 20212, 20350, 22940, 24124, 25234, 25265, 28675, 30155, 34100, 35860, 40700, 44825, 50468, 50530, 55583, 57350, 60310, 63085, 66341, 89650, 101060, 111166, 114700, 120620, 126170, 126325, 132682, 150775, 179300, 186961, 222332, 252340, 252650, 265364, 277915, 301550, 315425, 331705, 373922, 505300, 555830, 603100, 630850, 663410, 747844, 934805, 1111660, 1261700, 1326820, 1389575, 1658525, 1869610, 2056571, 2779150, 3317050, 3739220, 4113142, 4674025, 5558300, 6634100, 8226284, 9348050, 10282855, 18696100, 20565710, 41131420, 51414275, 102828550, 205657100]

約数ペア:

[(1, 205657100), (2, 102828550), (4, 51414275), (5, 41131420), (10, 20565710), (11, 18696100), (20, 10282855), (22, 9348050), (25, 8226284), (31, 6634100), (37, 5558300), (44, 4674025), (50, 4113142), (55, 3739220), (62, 3317050), (74, 2779150), (100, 2056571), (110, 1869610), (124, 1658525), (148, 1389575), (155, 1326820), (163, 1261700), (185, 1111660), (220, 934805), (275, 747844), (310, 663410), (326, 630850), (341, 603100), (370, 555830), (407, 505300), (550, 373922), (620, 331705), (652, 315425), (682, 301550), (740, 277915), (775, 265364), (814, 252650), (815, 252340), (925, 222332), (1100, 186961), (1147, 179300), (1364, 150775), (1550, 132682), (1628, 126325), (1630, 126170), (1705, 120620), (1793, 114700), (1850, 111166), (2035, 101060), (2294, 89650), (3100, 66341), (3260, 63085), (3410, 60310), (3586, 57350), (3700, 55583), (4070, 50530), (4075, 50468), (4588, 44825), (5053, 40700), (5735, 35860), (6031, 34100), (6820, 30155), (7172, 28675), (8140, 25265), (8150, 25234), (8525, 24124), (8965, 22940), (10106, 20350), (10175, 20212), (11470, 17930), (12062, 17050), (12617, 16300)]