1382290

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:72

約数の個数: 64

約数和(自身を含む): 3225600

約数和(自身を除く): 1843310

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 49, 62, 65, 70, 91, 98, 130, 155, 182, 217, 245, 310, 343, 403, 434, 455, 490, 637, 686, 806, 910, 1085, 1274, 1519, 1715, 2015, 2170, 2821, 3038, 3185, 3430, 4030, 4459, 5642, 6370, 7595, 8918, 10633, 14105, 15190, 19747, 21266, 22295, 28210, 39494, 44590, 53165, 98735, 106330, 138229, 197470, 276458, 691145, 1382290]

約数ペア:

[(1, 1382290), (2, 691145), (5, 276458), (7, 197470), (10, 138229), (13, 106330), (14, 98735), (26, 53165), (31, 44590), (35, 39494), (49, 28210), (62, 22295), (65, 21266), (70, 19747), (91, 15190), (98, 14105), (130, 10633), (155, 8918), (182, 7595), (217, 6370), (245, 5642), (310, 4459), (343, 4030), (403, 3430), (434, 3185), (455, 3038), (490, 2821), (637, 2170), (686, 2015), (806, 1715), (910, 1519), (1085, 1274)]