19899699990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{148961}}^1$

素因数の和:149105

約数の個数: 64

約数和(自身を含む): 49207511232

約数和(自身を除く): 29307811242

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 73, 122, 146, 183, 219, 305, 365, 366, 438, 610, 730, 915, 1095, 1830, 2190, 4453, 8906, 13359, 22265, 26718, 44530, 66795, 133590, 148961, 297922, 446883, 744805, 893766, 1489610, 2234415, 4468830, 9086621, 10874153, 18173242, 21748306, 27259863, 32622459, 45433105, 54370765, 54519726, 65244918, 90866210, 108741530, 136299315, 163112295, 272598630, 326224590, 663323333, 1326646666, 1989969999, 3316616665, 3979939998, 6633233330, 9949849995, 19899699990]

約数ペア:

[(1, 19899699990), (2, 9949849995), (3, 6633233330), (5, 3979939998), (6, 3316616665), (10, 1989969999), (15, 1326646666), (30, 663323333), (61, 326224590), (73, 272598630), (122, 163112295), (146, 136299315), (183, 108741530), (219, 90866210), (305, 65244918), (365, 54519726), (366, 54370765), (438, 45433105), (610, 32622459), (730, 27259863), (915, 21748306), (1095, 18173242), (1830, 10874153), (2190, 9086621), (4453, 4468830), (8906, 2234415), (13359, 1489610), (22265, 893766), (26718, 744805), (44530, 446883), (66795, 297922), (133590, 148961)]