238670460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{189421}}^1$

素因数の和:189443

約数の個数: 72

約数和(自身を含む): 827395296

約数和(自身を除く): 588724836

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 189421, 378842, 568263, 757684, 947105, 1136526, 1325947, 1704789, 1894210, 2273052, 2651894, 2841315, 3409578, 3788420, 3977841, 5303788, 5682630, 6629735, 6819156, 7955682, 8523945, 11365260, 11933523, 13259470, 15911364, 17047890, 19889205, 23867046, 26518940, 34095780, 39778410, 47734092, 59667615, 79556820, 119335230, 238670460]

約数ペア:

[(1, 238670460), (2, 119335230), (3, 79556820), (4, 59667615), (5, 47734092), (6, 39778410), (7, 34095780), (9, 26518940), (10, 23867046), (12, 19889205), (14, 17047890), (15, 15911364), (18, 13259470), (20, 11933523), (21, 11365260), (28, 8523945), (30, 7955682), (35, 6819156), (36, 6629735), (42, 5682630), (45, 5303788), (60, 3977841), (63, 3788420), (70, 3409578), (84, 2841315), (90, 2651894), (105, 2273052), (126, 1894210), (140, 1704789), (180, 1325947), (210, 1136526), (252, 947105), (315, 757684), (420, 568263), (630, 378842), (1260, 189421)]