428106280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:160

約数の個数: 192

約数和(自身を含む): 1195413120

約数和(自身を除く): 767306840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 37, 40, 43, 56, 62, 70, 74, 86, 124, 140, 148, 155, 172, 185, 215, 217, 248, 259, 280, 296, 301, 310, 344, 370, 430, 434, 518, 602, 620, 740, 860, 868, 961, 1036, 1085, 1147, 1204, 1240, 1295, 1333, 1480, 1505, 1591, 1720, 1736, 1922, 2072, 2170, 2294, 2408, 2590, 2666, 3010, 3182, 3844, 4340, 4588, 4805, 5180, 5332, 5735, 6020, 6364, 6665, 6727, 7688, 7955, 8029, 8680, 9176, 9331, 9610, 10360, 10664, 11137, 11470, 12040, 12728, 13330, 13454, 15910, 16058, 18662, 19220, 22274, 22940, 26660, 26908, 31820, 32116, 33635, 35557, 37324, 38440, 40145, 41323, 44548, 45880, 46655, 49321, 53320, 53816, 55685, 63640, 64232, 67270, 71114, 74648, 80290, 82646, 89096, 93310, 98642, 111370, 134540, 142228, 160580, 165292, 177785, 186620, 197284, 206615, 222740, 246605, 248899, 269080, 284456, 289261, 321160, 330584, 345247, 355570, 373240, 394568, 413230, 445480, 493210, 497798, 578522, 690494, 711140, 826460, 986420, 995596, 1157044, 1244495, 1380988, 1422280, 1446305, 1528951, 1652920, 1726235, 1972840, 1991192, 2314088, 2488990, 2761976, 2892610, 3057902, 3452470, 4977980, 5785220, 6115804, 6904940, 7644755, 9955960, 10702657, 11570440, 12231608, 13809880, 15289510, 21405314, 30579020, 42810628, 53513285, 61158040, 85621256, 107026570, 214053140, 428106280]

約数ペア:

[(1, 428106280), (2, 214053140), (4, 107026570), (5, 85621256), (7, 61158040), (8, 53513285), (10, 42810628), (14, 30579020), (20, 21405314), (28, 15289510), (31, 13809880), (35, 12231608), (37, 11570440), (40, 10702657), (43, 9955960), (56, 7644755), (62, 6904940), (70, 6115804), (74, 5785220), (86, 4977980), (124, 3452470), (140, 3057902), (148, 2892610), (155, 2761976), (172, 2488990), (185, 2314088), (215, 1991192), (217, 1972840), (248, 1726235), (259, 1652920), (280, 1528951), (296, 1446305), (301, 1422280), (310, 1380988), (344, 1244495), (370, 1157044), (430, 995596), (434, 986420), (518, 826460), (602, 711140), (620, 690494), (740, 578522), (860, 497798), (868, 493210), (961, 445480), (1036, 413230), (1085, 394568), (1147, 373240), (1204, 355570), (1240, 345247), (1295, 330584), (1333, 321160), (1480, 289261), (1505, 284456), (1591, 269080), (1720, 248899), (1736, 246605), (1922, 222740), (2072, 206615), (2170, 197284), (2294, 186620), (2408, 177785), (2590, 165292), (2666, 160580), (3010, 142228), (3182, 134540), (3844, 111370), (4340, 98642), (4588, 93310), (4805, 89096), (5180, 82646), (5332, 80290), (5735, 74648), (6020, 71114), (6364, 67270), (6665, 64232), (6727, 63640), (7688, 55685), (7955, 53816), (8029, 53320), (8680, 49321), (9176, 46655), (9331, 45880), (9610, 44548), (10360, 41323), (10664, 40145), (11137, 38440), (11470, 37324), (12040, 35557), (12728, 33635), (13330, 32116), (13454, 31820), (15910, 26908), (16058, 26660), (18662, 22940), (19220, 22274)]