421302400

素因数分解:

$2^7\times 5^2\times {\mathrm{31}}^2\times {\mathrm{137}}^1$

素因数の和:223

約数の個数: 144

約数和(自身を含む): 1083253770

約数和(自身を除く): 661951370

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 137, 155, 160, 200, 248, 274, 310, 320, 400, 496, 548, 620, 640, 685, 775, 800, 961, 992, 1096, 1240, 1370, 1550, 1600, 1922, 1984, 2192, 2480, 2740, 3100, 3200, 3425, 3844, 3968, 4247, 4384, 4805, 4960, 5480, 6200, 6850, 7688, 8494, 8768, 9610, 9920, 10960, 12400, 13700, 15376, 16988, 17536, 19220, 19840, 21235, 21920, 24025, 24800, 27400, 30752, 33976, 38440, 42470, 43840, 48050, 49600, 54800, 61504, 67952, 76880, 84940, 87680, 96100, 99200, 106175, 109600, 123008, 131657, 135904, 153760, 169880, 192200, 212350, 219200, 263314, 271808, 307520, 339760, 384400, 424700, 438400, 526628, 543616, 615040, 658285, 679520, 768800, 849400, 1053256, 1316570, 1359040, 1537600, 1698800, 2106512, 2633140, 2718080, 3075200, 3291425, 3397600, 4213024, 5266280, 6582850, 6795200, 8426048, 10532560, 13165700, 13590400, 16852096, 21065120, 26331400, 42130240, 52662800, 84260480, 105325600, 210651200, 421302400]

約数ペア:

[(1, 421302400), (2, 210651200), (4, 105325600), (5, 84260480), (8, 52662800), (10, 42130240), (16, 26331400), (20, 21065120), (25, 16852096), (31, 13590400), (32, 13165700), (40, 10532560), (50, 8426048), (62, 6795200), (64, 6582850), (80, 5266280), (100, 4213024), (124, 3397600), (128, 3291425), (137, 3075200), (155, 2718080), (160, 2633140), (200, 2106512), (248, 1698800), (274, 1537600), (310, 1359040), (320, 1316570), (400, 1053256), (496, 849400), (548, 768800), (620, 679520), (640, 658285), (685, 615040), (775, 543616), (800, 526628), (961, 438400), (992, 424700), (1096, 384400), (1240, 339760), (1370, 307520), (1550, 271808), (1600, 263314), (1922, 219200), (1984, 212350), (2192, 192200), (2480, 169880), (2740, 153760), (3100, 135904), (3200, 131657), (3425, 123008), (3844, 109600), (3968, 106175), (4247, 99200), (4384, 96100), (4805, 87680), (4960, 84940), (5480, 76880), (6200, 67952), (6850, 61504), (7688, 54800), (8494, 49600), (8768, 48050), (9610, 43840), (9920, 42470), (10960, 38440), (12400, 33976), (13700, 30752), (15376, 27400), (16988, 24800), (17536, 24025), (19220, 21920), (19840, 21235)]