18770500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:230

約数の個数: 96

約数和(自身を含む): 48642048

約数和(自身を除く): 29871548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 125, 140, 155, 173, 175, 217, 250, 310, 346, 350, 434, 500, 620, 692, 700, 775, 865, 868, 875, 1085, 1211, 1550, 1730, 1750, 2170, 2422, 3100, 3460, 3500, 3875, 4325, 4340, 4844, 5363, 5425, 6055, 7750, 8650, 10726, 10850, 12110, 15500, 17300, 21452, 21625, 21700, 24220, 26815, 27125, 30275, 37541, 43250, 53630, 54250, 60550, 75082, 86500, 107260, 108500, 121100, 134075, 150164, 151375, 187705, 268150, 302750, 375410, 536300, 605500, 670375, 750820, 938525, 1340750, 1877050, 2681500, 3754100, 4692625, 9385250, 18770500]

約数ペア:

[(1, 18770500), (2, 9385250), (4, 4692625), (5, 3754100), (7, 2681500), (10, 1877050), (14, 1340750), (20, 938525), (25, 750820), (28, 670375), (31, 605500), (35, 536300), (50, 375410), (62, 302750), (70, 268150), (100, 187705), (124, 151375), (125, 150164), (140, 134075), (155, 121100), (173, 108500), (175, 107260), (217, 86500), (250, 75082), (310, 60550), (346, 54250), (350, 53630), (434, 43250), (500, 37541), (620, 30275), (692, 27125), (700, 26815), (775, 24220), (865, 21700), (868, 21625), (875, 21452), (1085, 17300), (1211, 15500), (1550, 12110), (1730, 10850), (1750, 10726), (2170, 8650), (2422, 7750), (3100, 6055), (3460, 5425), (3500, 5363), (3875, 4844), (4325, 4340)]