449795120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{2707}}^1$

素因数の和:2818

約数の個数: 80

約数和(自身を含む): 1096025088

約数和(自身を除く): 646229968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 67, 80, 124, 134, 155, 248, 268, 310, 335, 496, 536, 620, 670, 1072, 1240, 1340, 2077, 2480, 2680, 2707, 4154, 5360, 5414, 8308, 10385, 10828, 13535, 16616, 20770, 21656, 27070, 33232, 41540, 43312, 54140, 83080, 83917, 108280, 166160, 167834, 181369, 216560, 335668, 362738, 419585, 671336, 725476, 839170, 906845, 1342672, 1450952, 1678340, 1813690, 2901904, 3356680, 3627380, 5622439, 6713360, 7254760, 11244878, 14509520, 22489756, 28112195, 44979512, 56224390, 89959024, 112448780, 224897560, 449795120]

約数ペア:

[(1, 449795120), (2, 224897560), (4, 112448780), (5, 89959024), (8, 56224390), (10, 44979512), (16, 28112195), (20, 22489756), (31, 14509520), (40, 11244878), (62, 7254760), (67, 6713360), (80, 5622439), (124, 3627380), (134, 3356680), (155, 2901904), (248, 1813690), (268, 1678340), (310, 1450952), (335, 1342672), (496, 906845), (536, 839170), (620, 725476), (670, 671336), (1072, 419585), (1240, 362738), (1340, 335668), (2077, 216560), (2480, 181369), (2680, 167834), (2707, 166160), (4154, 108280), (5360, 83917), (5414, 83080), (8308, 54140), (10385, 43312), (10828, 41540), (13535, 33232), (16616, 27070), (20770, 21656)]