31243500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:209

約数の個数: 144

約数和(自身を含む): 101189088

約数和(自身を除く): 69945588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 53, 60, 75, 90, 100, 106, 125, 131, 150, 159, 180, 212, 225, 250, 262, 265, 300, 318, 375, 393, 450, 477, 500, 524, 530, 636, 655, 750, 786, 795, 900, 954, 1060, 1125, 1179, 1310, 1325, 1500, 1572, 1590, 1908, 1965, 2250, 2358, 2385, 2620, 2650, 3180, 3275, 3930, 3975, 4500, 4716, 4770, 5300, 5895, 6550, 6625, 6943, 7860, 7950, 9540, 9825, 11790, 11925, 13100, 13250, 13886, 15900, 16375, 19650, 19875, 20829, 23580, 23850, 26500, 27772, 29475, 32750, 34715, 39300, 39750, 41658, 47700, 49125, 58950, 59625, 62487, 65500, 69430, 79500, 83316, 98250, 104145, 117900, 119250, 124974, 138860, 147375, 173575, 196500, 208290, 238500, 249948, 294750, 312435, 347150, 416580, 520725, 589500, 624870, 694300, 867875, 1041450, 1249740, 1562175, 1735750, 2082900, 2603625, 3124350, 3471500, 5207250, 6248700, 7810875, 10414500, 15621750, 31243500]

約数ペア:

[(1, 31243500), (2, 15621750), (3, 10414500), (4, 7810875), (5, 6248700), (6, 5207250), (9, 3471500), (10, 3124350), (12, 2603625), (15, 2082900), (18, 1735750), (20, 1562175), (25, 1249740), (30, 1041450), (36, 867875), (45, 694300), (50, 624870), (53, 589500), (60, 520725), (75, 416580), (90, 347150), (100, 312435), (106, 294750), (125, 249948), (131, 238500), (150, 208290), (159, 196500), (180, 173575), (212, 147375), (225, 138860), (250, 124974), (262, 119250), (265, 117900), (300, 104145), (318, 98250), (375, 83316), (393, 79500), (450, 69430), (477, 65500), (500, 62487), (524, 59625), (530, 58950), (636, 49125), (655, 47700), (750, 41658), (786, 39750), (795, 39300), (900, 34715), (954, 32750), (1060, 29475), (1125, 27772), (1179, 26500), (1310, 23850), (1325, 23580), (1500, 20829), (1572, 19875), (1590, 19650), (1908, 16375), (1965, 15900), (2250, 13886), (2358, 13250), (2385, 13100), (2620, 11925), (2650, 11790), (3180, 9825), (3275, 9540), (3930, 7950), (3975, 7860), (4500, 6943), (4716, 6625), (4770, 6550), (5300, 5895)]