28559660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4421}}^1$

素因数の和:4466

約数の個数: 48

約数和(自身を含む): 66860640

約数和(自身を除く): 38300980

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 4421, 6460, 8842, 17684, 22105, 44210, 75157, 83999, 88420, 150314, 167998, 300628, 335996, 375785, 419995, 751570, 839990, 1427983, 1503140, 1679980, 2855966, 5711932, 7139915, 14279830, 28559660]

約数ペア:

[(1, 28559660), (2, 14279830), (4, 7139915), (5, 5711932), (10, 2855966), (17, 1679980), (19, 1503140), (20, 1427983), (34, 839990), (38, 751570), (68, 419995), (76, 375785), (85, 335996), (95, 300628), (170, 167998), (190, 150314), (323, 88420), (340, 83999), (380, 75157), (646, 44210), (1292, 22105), (1615, 17684), (3230, 8842), (4421, 6460)]