1970300

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 4843440

約数和(自身を除く): 2873140

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 61, 68, 76, 85, 95, 100, 122, 170, 190, 244, 305, 323, 340, 380, 425, 475, 610, 646, 850, 950, 1037, 1159, 1220, 1292, 1525, 1615, 1700, 1900, 2074, 2318, 3050, 3230, 4148, 4636, 5185, 5795, 6100, 6460, 8075, 10370, 11590, 16150, 19703, 20740, 23180, 25925, 28975, 32300, 39406, 51850, 57950, 78812, 98515, 103700, 115900, 197030, 394060, 492575, 985150, 1970300]

約数ペア:

[(1, 1970300), (2, 985150), (4, 492575), (5, 394060), (10, 197030), (17, 115900), (19, 103700), (20, 98515), (25, 78812), (34, 57950), (38, 51850), (50, 39406), (61, 32300), (68, 28975), (76, 25925), (85, 23180), (95, 20740), (100, 19703), (122, 16150), (170, 11590), (190, 10370), (244, 8075), (305, 6460), (323, 6100), (340, 5795), (380, 5185), (425, 4636), (475, 4148), (610, 3230), (646, 3050), (850, 2318), (950, 2074), (1037, 1900), (1159, 1700), (1220, 1615), (1292, 1525)]