199072580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{38431}}^1$

素因数の和:38484

約数の個数: 48

約数和(自身を含む): 490699776

約数和(自身を除く): 291627196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 38431, 76862, 153724, 192155, 269017, 384310, 538034, 768620, 1076068, 1345085, 1421947, 2690170, 2843894, 5380340, 5687788, 7109735, 9953629, 14219470, 19907258, 28438940, 39814516, 49768145, 99536290, 199072580]

約数ペア:

[(1, 199072580), (2, 99536290), (4, 49768145), (5, 39814516), (7, 28438940), (10, 19907258), (14, 14219470), (20, 9953629), (28, 7109735), (35, 5687788), (37, 5380340), (70, 2843894), (74, 2690170), (140, 1421947), (148, 1345085), (185, 1076068), (259, 768620), (370, 538034), (518, 384310), (740, 269017), (1036, 192155), (1295, 153724), (2590, 76862), (5180, 38431)]