221653100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{563}}^1$

素因数の和:735

約数の個数: 72

約数和(自身を含む): 501301248

約数和(自身を除く): 279648148

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 127, 155, 254, 310, 508, 563, 620, 635, 775, 1126, 1270, 1550, 2252, 2540, 2815, 3100, 3175, 3937, 5630, 6350, 7874, 11260, 12700, 14075, 15748, 17453, 19685, 28150, 34906, 39370, 56300, 69812, 71501, 78740, 87265, 98425, 143002, 174530, 196850, 286004, 349060, 357505, 393700, 436325, 715010, 872650, 1430020, 1745300, 1787525, 2216531, 3575050, 4433062, 7150100, 8866124, 11082655, 22165310, 44330620, 55413275, 110826550, 221653100]

約数ペア:

[(1, 221653100), (2, 110826550), (4, 55413275), (5, 44330620), (10, 22165310), (20, 11082655), (25, 8866124), (31, 7150100), (50, 4433062), (62, 3575050), (100, 2216531), (124, 1787525), (127, 1745300), (155, 1430020), (254, 872650), (310, 715010), (508, 436325), (563, 393700), (620, 357505), (635, 349060), (775, 286004), (1126, 196850), (1270, 174530), (1550, 143002), (2252, 98425), (2540, 87265), (2815, 78740), (3100, 71501), (3175, 69812), (3937, 56300), (5630, 39370), (6350, 34906), (7874, 28150), (11260, 19685), (12700, 17453), (14075, 15748)]