230720308

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{463}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 511832832

約数和(自身を除く): 281112524

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 52, 74, 91, 148, 182, 259, 364, 463, 481, 518, 926, 962, 1036, 1369, 1852, 1924, 2738, 3241, 3367, 5476, 6019, 6482, 6734, 9583, 12038, 12964, 13468, 17131, 17797, 19166, 24076, 34262, 35594, 38332, 42133, 68524, 71188, 84266, 119917, 124579, 168532, 222703, 239834, 249158, 445406, 479668, 498316, 633847, 890812, 1267694, 1558921, 2535388, 3117842, 4436929, 6235684, 8240011, 8873858, 16480022, 17747716, 32960044, 57680077, 115360154, 230720308]

約数ペア:

[(1, 230720308), (2, 115360154), (4, 57680077), (7, 32960044), (13, 17747716), (14, 16480022), (26, 8873858), (28, 8240011), (37, 6235684), (52, 4436929), (74, 3117842), (91, 2535388), (148, 1558921), (182, 1267694), (259, 890812), (364, 633847), (463, 498316), (481, 479668), (518, 445406), (926, 249158), (962, 239834), (1036, 222703), (1369, 168532), (1852, 124579), (1924, 119917), (2738, 84266), (3241, 71188), (3367, 68524), (5476, 42133), (6019, 38332), (6482, 35594), (6734, 34262), (9583, 24076), (12038, 19166), (12964, 17797), (13468, 17131)]