2721928420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{613}}^1$

素因数の和:805

約数の個数: 96

約数和(自身を含む): 6015824640

約数和(自身を除く): 3293896220

約数列:

[1, 2, 4, 5, 10, 20, 53, 59, 71, 106, 118, 142, 212, 236, 265, 284, 295, 355, 530, 590, 613, 710, 1060, 1180, 1226, 1420, 2452, 3065, 3127, 3763, 4189, 6130, 6254, 7526, 8378, 12260, 12508, 15052, 15635, 16756, 18815, 20945, 31270, 32489, 36167, 37630, 41890, 43523, 62540, 64978, 72334, 75260, 83780, 87046, 129956, 144668, 162445, 174092, 180835, 217615, 222017, 324890, 361670, 435230, 444034, 649780, 723340, 870460, 888068, 1110085, 1916851, 2220170, 2306719, 2567857, 3833702, 4440340, 4613438, 5135714, 7667404, 9226876, 9584255, 10271428, 11533595, 12839285, 19168510, 23067190, 25678570, 38337020, 46134380, 51357140, 136096421, 272192842, 544385684, 680482105, 1360964210, 2721928420]

約数ペア:

[(1, 2721928420), (2, 1360964210), (4, 680482105), (5, 544385684), (10, 272192842), (20, 136096421), (53, 51357140), (59, 46134380), (71, 38337020), (106, 25678570), (118, 23067190), (142, 19168510), (212, 12839285), (236, 11533595), (265, 10271428), (284, 9584255), (295, 9226876), (355, 7667404), (530, 5135714), (590, 4613438), (613, 4440340), (710, 3833702), (1060, 2567857), (1180, 2306719), (1226, 2220170), (1420, 1916851), (2452, 1110085), (3065, 888068), (3127, 870460), (3763, 723340), (4189, 649780), (6130, 444034), (6254, 435230), (7526, 361670), (8378, 324890), (12260, 222017), (12508, 217615), (15052, 180835), (15635, 174092), (16756, 162445), (18815, 144668), (20945, 129956), (31270, 87046), (32489, 83780), (36167, 75260), (37630, 72334), (41890, 64978), (43523, 62540)]