198501990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1\times {\mathrm{463}}^1$

素因数の和:965

約数の個数: 64

約数和(自身を含む): 493903872

約数和(自身を除く): 295401882

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 461, 463, 465, 922, 926, 930, 1383, 1389, 2305, 2315, 2766, 2778, 4610, 4630, 6915, 6945, 13830, 13890, 14291, 14353, 28582, 28706, 42873, 43059, 71455, 71765, 85746, 86118, 142910, 143530, 213443, 214365, 215295, 426886, 428730, 430590, 640329, 1067215, 1280658, 2134430, 3201645, 6403290, 6616733, 13233466, 19850199, 33083665, 39700398, 66167330, 99250995, 198501990]

約数ペア:

[(1, 198501990), (2, 99250995), (3, 66167330), (5, 39700398), (6, 33083665), (10, 19850199), (15, 13233466), (30, 6616733), (31, 6403290), (62, 3201645), (93, 2134430), (155, 1280658), (186, 1067215), (310, 640329), (461, 430590), (463, 428730), (465, 426886), (922, 215295), (926, 214365), (930, 213443), (1383, 143530), (1389, 142910), (2305, 86118), (2315, 85746), (2766, 71765), (2778, 71455), (4610, 43059), (4630, 42873), (6915, 28706), (6945, 28582), (13830, 14353), (13890, 14291)]