19848750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 80

約数和(自身を含む): 50983680

約数和(自身を除く): 31134930

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 67, 75, 79, 125, 134, 150, 158, 201, 237, 250, 335, 375, 395, 402, 474, 625, 670, 750, 790, 1005, 1185, 1250, 1675, 1875, 1975, 2010, 2370, 3350, 3750, 3950, 5025, 5293, 5925, 8375, 9875, 10050, 10586, 11850, 15879, 16750, 19750, 25125, 26465, 29625, 31758, 41875, 49375, 50250, 52930, 59250, 79395, 83750, 98750, 125625, 132325, 148125, 158790, 251250, 264650, 296250, 396975, 661625, 793950, 1323250, 1984875, 3308125, 3969750, 6616250, 9924375, 19848750]

約数ペア:

[(1, 19848750), (2, 9924375), (3, 6616250), (5, 3969750), (6, 3308125), (10, 1984875), (15, 1323250), (25, 793950), (30, 661625), (50, 396975), (67, 296250), (75, 264650), (79, 251250), (125, 158790), (134, 148125), (150, 132325), (158, 125625), (201, 98750), (237, 83750), (250, 79395), (335, 59250), (375, 52930), (395, 50250), (402, 49375), (474, 41875), (625, 31758), (670, 29625), (750, 26465), (790, 25125), (1005, 19750), (1185, 16750), (1250, 15879), (1675, 11850), (1875, 10586), (1975, 10050), (2010, 9875), (2370, 8375), (3350, 5925), (3750, 5293), (3950, 5025)]