28178100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:390

約数の個数: 108

約数和(自身を含む): 89369280

約数和(自身を除く): 61191180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 131, 150, 180, 225, 239, 262, 300, 393, 450, 478, 524, 655, 717, 786, 900, 956, 1179, 1195, 1310, 1434, 1572, 1965, 2151, 2358, 2390, 2620, 2868, 3275, 3585, 3930, 4302, 4716, 4780, 5895, 5975, 6550, 7170, 7860, 8604, 9825, 10755, 11790, 11950, 13100, 14340, 17925, 19650, 21510, 23580, 23900, 29475, 31309, 35850, 39300, 43020, 53775, 58950, 62618, 71700, 93927, 107550, 117900, 125236, 156545, 187854, 215100, 281781, 313090, 375708, 469635, 563562, 626180, 782725, 939270, 1127124, 1408905, 1565450, 1878540, 2348175, 2817810, 3130900, 4696350, 5635620, 7044525, 9392700, 14089050, 28178100]

約数ペア:

[(1, 28178100), (2, 14089050), (3, 9392700), (4, 7044525), (5, 5635620), (6, 4696350), (9, 3130900), (10, 2817810), (12, 2348175), (15, 1878540), (18, 1565450), (20, 1408905), (25, 1127124), (30, 939270), (36, 782725), (45, 626180), (50, 563562), (60, 469635), (75, 375708), (90, 313090), (100, 281781), (131, 215100), (150, 187854), (180, 156545), (225, 125236), (239, 117900), (262, 107550), (300, 93927), (393, 71700), (450, 62618), (478, 58950), (524, 53775), (655, 43020), (717, 39300), (786, 35850), (900, 31309), (956, 29475), (1179, 23900), (1195, 23580), (1310, 21510), (1434, 19650), (1572, 17925), (1965, 14340), (2151, 13100), (2358, 11950), (2390, 11790), (2620, 10755), (2868, 9825), (3275, 8604), (3585, 7860), (3930, 7170), (4302, 6550), (4716, 5975), (4780, 5895)]