190911420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{151517}}^1$

素因数の和:151539

約数の個数: 72

約数和(自身を含む): 661830624

約数和(自身を除く): 470919204

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, 151517, 303034, 454551, 606068, 757585, 909102, 1060619, 1363653, 1515170, 1818204, 2121238, 2272755, 2727306, 3030340, 3181857, 4242476, 4545510, 5303095, 5454612, 6363714, 6818265, 9091020, 9545571, 10606190, 12727428, 13636530, 15909285, 19091142, 21212380, 27273060, 31818570, 38182284, 47727855, 63637140, 95455710, 190911420]

約数ペア:

[(1, 190911420), (2, 95455710), (3, 63637140), (4, 47727855), (5, 38182284), (6, 31818570), (7, 27273060), (9, 21212380), (10, 19091142), (12, 15909285), (14, 13636530), (15, 12727428), (18, 10606190), (20, 9545571), (21, 9091020), (28, 6818265), (30, 6363714), (35, 5454612), (36, 5303095), (42, 4545510), (45, 4242476), (60, 3181857), (63, 3030340), (70, 2727306), (84, 2272755), (90, 2121238), (105, 1818204), (126, 1515170), (140, 1363653), (180, 1060619), (210, 909102), (252, 757585), (315, 606068), (420, 454551), (630, 303034), (1260, 151517)]