1949595890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{30091}}^1$

素因数の和:30159

約数の個数: 64

約数和(自身を含む): 4159918080

約数和(自身を除く): 2210322190

約数列:

[1, 2, 5, 10, 11, 19, 22, 31, 38, 55, 62, 95, 110, 155, 190, 209, 310, 341, 418, 589, 682, 1045, 1178, 1705, 2090, 2945, 3410, 5890, 6479, 12958, 30091, 32395, 60182, 64790, 150455, 300910, 331001, 571729, 662002, 932821, 1143458, 1655005, 1865642, 2858645, 3310010, 4664105, 5717290, 6289019, 9328210, 10261031, 12578038, 17723599, 20522062, 31445095, 35447198, 51305155, 62890190, 88617995, 102610310, 177235990, 194959589, 389919178, 974797945, 1949595890]

約数ペア:

[(1, 1949595890), (2, 974797945), (5, 389919178), (10, 194959589), (11, 177235990), (19, 102610310), (22, 88617995), (31, 62890190), (38, 51305155), (55, 35447198), (62, 31445095), (95, 20522062), (110, 17723599), (155, 12578038), (190, 10261031), (209, 9328210), (310, 6289019), (341, 5717290), (418, 4664105), (589, 3310010), (682, 2858645), (1045, 1865642), (1178, 1655005), (1705, 1143458), (2090, 932821), (2945, 662002), (3410, 571729), (5890, 331001), (6479, 300910), (12958, 150455), (30091, 64790), (32395, 60182)]