78531370

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 156672000

約数和(自身を除く): 78140630

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 67, 95, 134, 155, 190, 199, 310, 335, 398, 589, 670, 995, 1178, 1273, 1990, 2077, 2546, 2945, 3781, 4154, 5890, 6169, 6365, 7562, 10385, 12338, 12730, 13333, 18905, 20770, 26666, 30845, 37810, 39463, 61690, 66665, 78926, 117211, 133330, 197315, 234422, 253327, 394630, 413323, 506654, 586055, 826646, 1172110, 1266635, 2066615, 2533270, 4133230, 7853137, 15706274, 39265685, 78531370]

約数ペア:

[(1, 78531370), (2, 39265685), (5, 15706274), (10, 7853137), (19, 4133230), (31, 2533270), (38, 2066615), (62, 1266635), (67, 1172110), (95, 826646), (134, 586055), (155, 506654), (190, 413323), (199, 394630), (310, 253327), (335, 234422), (398, 197315), (589, 133330), (670, 117211), (995, 78926), (1178, 66665), (1273, 61690), (1990, 39463), (2077, 37810), (2546, 30845), (2945, 26666), (3781, 20770), (4154, 18905), (5890, 13333), (6169, 12730), (6365, 12338), (7562, 10385)]