291217820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{4951}}^1$

素因数の和:5150

約数の個数: 48

約数和(自身を含む): 651405888

約数和(自身を除く): 360188068

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 173, 340, 346, 692, 865, 1730, 2941, 3460, 4951, 5882, 9902, 11764, 14705, 19804, 24755, 29410, 49510, 58820, 84167, 99020, 168334, 336668, 420835, 841670, 856523, 1683340, 1713046, 3426092, 4282615, 8565230, 14560891, 17130460, 29121782, 58243564, 72804455, 145608910, 291217820]

約数ペア:

[(1, 291217820), (2, 145608910), (4, 72804455), (5, 58243564), (10, 29121782), (17, 17130460), (20, 14560891), (34, 8565230), (68, 4282615), (85, 3426092), (170, 1713046), (173, 1683340), (340, 856523), (346, 841670), (692, 420835), (865, 336668), (1730, 168334), (2941, 99020), (3460, 84167), (4951, 58820), (5882, 49510), (9902, 29410), (11764, 24755), (14705, 19804)]