1569264020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{28439}}^1$

素因数の和:28568

約数の個数: 48

約数和(自身を含む): 3440102400

約数和(自身を除く): 1870838380

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 89, 124, 155, 178, 310, 356, 445, 620, 890, 1780, 2759, 5518, 11036, 13795, 27590, 28439, 55180, 56878, 113756, 142195, 284390, 568780, 881609, 1763218, 2531071, 3526436, 4408045, 5062142, 8816090, 10124284, 12655355, 17632180, 25310710, 50621420, 78463201, 156926402, 313852804, 392316005, 784632010, 1569264020]

約数ペア:

[(1, 1569264020), (2, 784632010), (4, 392316005), (5, 313852804), (10, 156926402), (20, 78463201), (31, 50621420), (62, 25310710), (89, 17632180), (124, 12655355), (155, 10124284), (178, 8816090), (310, 5062142), (356, 4408045), (445, 3526436), (620, 2531071), (890, 1763218), (1780, 881609), (2759, 568780), (5518, 284390), (11036, 142195), (13795, 113756), (27590, 56878), (28439, 55180)]