819274660

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{4049}}^1$

素因数の和:4276

約数の個数: 48

約数和(自身を含む): 1758153600

約数和(自身を除く): 938878940

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 151, 268, 302, 335, 604, 670, 755, 1340, 1510, 3020, 4049, 8098, 10117, 16196, 20234, 20245, 40468, 40490, 50585, 80980, 101170, 202340, 271283, 542566, 611399, 1085132, 1222798, 1356415, 2445596, 2712830, 3056995, 5425660, 6113990, 12227980, 40963733, 81927466, 163854932, 204818665, 409637330, 819274660]

約数ペア:

[(1, 819274660), (2, 409637330), (4, 204818665), (5, 163854932), (10, 81927466), (20, 40963733), (67, 12227980), (134, 6113990), (151, 5425660), (268, 3056995), (302, 2712830), (335, 2445596), (604, 1356415), (670, 1222798), (755, 1085132), (1340, 611399), (1510, 542566), (3020, 271283), (4049, 202340), (8098, 101170), (10117, 80980), (16196, 50585), (20234, 40490), (20245, 40468)]