1566963820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{7001}}^1$

素因数の和:7079

約数の個数: 72

約数和(自身を含む): 3585472128

約数和(自身を除く): 2018508308

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 361, 380, 589, 620, 722, 1178, 1444, 1805, 2356, 2945, 3610, 5890, 7001, 7220, 11191, 11780, 14002, 22382, 28004, 35005, 44764, 55955, 70010, 111910, 133019, 140020, 217031, 223820, 266038, 434062, 532076, 665095, 868124, 1085155, 1330190, 2170310, 2527361, 2660380, 4123589, 4340620, 5054722, 8247178, 10109444, 12636805, 16494356, 20617945, 25273610, 41235890, 50547220, 78348191, 82471780, 156696382, 313392764, 391740955, 783481910, 1566963820]

約数ペア:

[(1, 1566963820), (2, 783481910), (4, 391740955), (5, 313392764), (10, 156696382), (19, 82471780), (20, 78348191), (31, 50547220), (38, 41235890), (62, 25273610), (76, 20617945), (95, 16494356), (124, 12636805), (155, 10109444), (190, 8247178), (310, 5054722), (361, 4340620), (380, 4123589), (589, 2660380), (620, 2527361), (722, 2170310), (1178, 1330190), (1444, 1085155), (1805, 868124), (2356, 665095), (2945, 532076), (3610, 434062), (5890, 266038), (7001, 223820), (7220, 217031), (11191, 140020), (11780, 133019), (14002, 111910), (22382, 70010), (28004, 55955), (35005, 44764)]