28983990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{19717}}^1$

素因数の和:19741

約数の個数: 48

約数和(自身を含む): 80922672

約数和(自身を除く): 51938682

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 19717, 39434, 59151, 98585, 118302, 138019, 197170, 276038, 295755, 414057, 591510, 690095, 828114, 966133, 1380190, 1932266, 2070285, 2898399, 4140570, 4830665, 5796798, 9661330, 14491995, 28983990]

約数ペア:

[(1, 28983990), (2, 14491995), (3, 9661330), (5, 5796798), (6, 4830665), (7, 4140570), (10, 2898399), (14, 2070285), (15, 1932266), (21, 1380190), (30, 966133), (35, 828114), (42, 690095), (49, 591510), (70, 414057), (98, 295755), (105, 276038), (147, 197170), (210, 138019), (245, 118302), (294, 98585), (490, 59151), (735, 39434), (1470, 19717)]