18878161700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{3203}}^1\times {\mathrm{3467}}^1$

素因数の和:6701

約数の個数: 72

約数和(自身を含む): 43401409632

約数和(自身を除く): 24523247932

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 3203, 3467, 6406, 6934, 12812, 13868, 16015, 17335, 32030, 34670, 54451, 58939, 64060, 69340, 80075, 86675, 108902, 117878, 160150, 173350, 217804, 235756, 272255, 294695, 320300, 346700, 544510, 589390, 1089020, 1178780, 1361275, 1473475, 2722550, 2946950, 5445100, 5893900, 11104801, 22209602, 44419204, 55524005, 111048010, 188781617, 222096020, 277620025, 377563234, 555240050, 755126468, 943908085, 1110480100, 1887816170, 3775632340, 4719540425, 9439080850, 18878161700]

約数ペア:

[(1, 18878161700), (2, 9439080850), (4, 4719540425), (5, 3775632340), (10, 1887816170), (17, 1110480100), (20, 943908085), (25, 755126468), (34, 555240050), (50, 377563234), (68, 277620025), (85, 222096020), (100, 188781617), (170, 111048010), (340, 55524005), (425, 44419204), (850, 22209602), (1700, 11104801), (3203, 5893900), (3467, 5445100), (6406, 2946950), (6934, 2722550), (12812, 1473475), (13868, 1361275), (16015, 1178780), (17335, 1089020), (32030, 589390), (34670, 544510), (54451, 346700), (58939, 320300), (64060, 294695), (69340, 272255), (80075, 235756), (86675, 217804), (108902, 173350), (117878, 160150)]