201912920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:297

約数の個数: 128

約数和(自身を含む): 520058880

約数和(自身を除く): 318145960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 113, 124, 131, 155, 220, 226, 248, 262, 310, 341, 440, 452, 524, 565, 620, 655, 682, 904, 1048, 1130, 1240, 1243, 1310, 1364, 1441, 1705, 2260, 2486, 2620, 2728, 2882, 3410, 3503, 4061, 4520, 4972, 5240, 5764, 6215, 6820, 7006, 7205, 8122, 9944, 11528, 12430, 13640, 14012, 14410, 14803, 16244, 17515, 20305, 24860, 28024, 28820, 29606, 32488, 35030, 38533, 40610, 44671, 49720, 57640, 59212, 70060, 74015, 77066, 81220, 89342, 118424, 140120, 148030, 154132, 162440, 162833, 178684, 192665, 223355, 296060, 308264, 325666, 357368, 385330, 446710, 458893, 592120, 651332, 770660, 814165, 893420, 917786, 1302664, 1541320, 1628330, 1786840, 1835572, 2294465, 3256660, 3671144, 4588930, 5047823, 6513320, 9177860, 10095646, 18355720, 20191292, 25239115, 40382584, 50478230, 100956460, 201912920]

約数ペア:

[(1, 201912920), (2, 100956460), (4, 50478230), (5, 40382584), (8, 25239115), (10, 20191292), (11, 18355720), (20, 10095646), (22, 9177860), (31, 6513320), (40, 5047823), (44, 4588930), (55, 3671144), (62, 3256660), (88, 2294465), (110, 1835572), (113, 1786840), (124, 1628330), (131, 1541320), (155, 1302664), (220, 917786), (226, 893420), (248, 814165), (262, 770660), (310, 651332), (341, 592120), (440, 458893), (452, 446710), (524, 385330), (565, 357368), (620, 325666), (655, 308264), (682, 296060), (904, 223355), (1048, 192665), (1130, 178684), (1240, 162833), (1243, 162440), (1310, 154132), (1364, 148030), (1441, 140120), (1705, 118424), (2260, 89342), (2486, 81220), (2620, 77066), (2728, 74015), (2882, 70060), (3410, 59212), (3503, 57640), (4061, 49720), (4520, 44671), (4972, 40610), (5240, 38533), (5764, 35030), (6215, 32488), (6820, 29606), (7006, 28820), (7205, 28024), (8122, 24860), (9944, 20305), (11528, 17515), (12430, 16244), (13640, 14803), (14012, 14410)]