201778100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6247}}^1$

素因数の和:6297

約数の個数: 72

約数和(自身を含む): 488093760

約数和(自身を除く): 286315660

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 85, 95, 100, 170, 190, 323, 340, 380, 425, 475, 646, 850, 950, 1292, 1615, 1700, 1900, 3230, 6247, 6460, 8075, 12494, 16150, 24988, 31235, 32300, 62470, 106199, 118693, 124940, 156175, 212398, 237386, 312350, 424796, 474772, 530995, 593465, 624700, 1061990, 1186930, 2017781, 2123980, 2373860, 2654975, 2967325, 4035562, 5309950, 5934650, 8071124, 10088905, 10619900, 11869300, 20177810, 40355620, 50444525, 100889050, 201778100]

約数ペア:

[(1, 201778100), (2, 100889050), (4, 50444525), (5, 40355620), (10, 20177810), (17, 11869300), (19, 10619900), (20, 10088905), (25, 8071124), (34, 5934650), (38, 5309950), (50, 4035562), (68, 2967325), (76, 2654975), (85, 2373860), (95, 2123980), (100, 2017781), (170, 1186930), (190, 1061990), (323, 624700), (340, 593465), (380, 530995), (425, 474772), (475, 424796), (646, 312350), (850, 237386), (950, 212398), (1292, 156175), (1615, 124940), (1700, 118693), (1900, 106199), (3230, 62470), (6247, 32300), (6460, 31235), (8075, 24988), (12494, 16150)]