219065840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12619}}^1$

素因数の和:12670

約数の個数: 80

約数和(自身を含む): 600913920

約数和(自身を除く): 381848080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 12619, 17360, 25238, 50476, 63095, 88333, 100952, 126190, 176666, 201904, 252380, 353332, 391189, 441665, 504760, 706664, 782378, 883330, 1009520, 1413328, 1564756, 1766660, 1955945, 2738323, 3129512, 3533320, 3911890, 5476646, 6259024, 7066640, 7823780, 10953292, 13691615, 15647560, 21906584, 27383230, 31295120, 43813168, 54766460, 109532920, 219065840]

約数ペア:

[(1, 219065840), (2, 109532920), (4, 54766460), (5, 43813168), (7, 31295120), (8, 27383230), (10, 21906584), (14, 15647560), (16, 13691615), (20, 10953292), (28, 7823780), (31, 7066640), (35, 6259024), (40, 5476646), (56, 3911890), (62, 3533320), (70, 3129512), (80, 2738323), (112, 1955945), (124, 1766660), (140, 1564756), (155, 1413328), (217, 1009520), (248, 883330), (280, 782378), (310, 706664), (434, 504760), (496, 441665), (560, 391189), (620, 353332), (868, 252380), (1085, 201904), (1240, 176666), (1736, 126190), (2170, 100952), (2480, 88333), (3472, 63095), (4340, 50476), (8680, 25238), (12619, 17360)]