28542570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{683}}^1$

素因数の和:899

約数の個数: 64

約数和(自身を含む): 78796800

約数和(自身を除く): 50254230

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 199, 210, 398, 597, 683, 995, 1194, 1366, 1393, 1990, 2049, 2786, 2985, 3415, 4098, 4179, 4781, 5970, 6830, 6965, 8358, 9562, 10245, 13930, 14343, 20490, 20895, 23905, 28686, 41790, 47810, 71715, 135917, 143430, 271834, 407751, 679585, 815502, 951419, 1359170, 1902838, 2038755, 2854257, 4077510, 4757095, 5708514, 9514190, 14271285, 28542570]

約数ペア:

[(1, 28542570), (2, 14271285), (3, 9514190), (5, 5708514), (6, 4757095), (7, 4077510), (10, 2854257), (14, 2038755), (15, 1902838), (21, 1359170), (30, 951419), (35, 815502), (42, 679585), (70, 407751), (105, 271834), (199, 143430), (210, 135917), (398, 71715), (597, 47810), (683, 41790), (995, 28686), (1194, 23905), (1366, 20895), (1393, 20490), (1990, 14343), (2049, 13930), (2786, 10245), (2985, 9562), (3415, 8358), (4098, 6965), (4179, 6830), (4781, 5970)]