27853820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 63954240

約数和(自身を除く): 36100420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 79, 85, 122, 158, 170, 244, 289, 305, 316, 340, 395, 578, 610, 790, 1037, 1156, 1220, 1343, 1445, 1580, 2074, 2686, 2890, 4148, 4819, 5185, 5372, 5780, 6715, 9638, 10370, 13430, 17629, 19276, 20740, 22831, 24095, 26860, 35258, 45662, 48190, 70516, 81923, 88145, 91324, 96380, 114155, 163846, 176290, 228310, 327692, 352580, 409615, 456620, 819230, 1392691, 1638460, 2785382, 5570764, 6963455, 13926910, 27853820]

約数ペア:

[(1, 27853820), (2, 13926910), (4, 6963455), (5, 5570764), (10, 2785382), (17, 1638460), (20, 1392691), (34, 819230), (61, 456620), (68, 409615), (79, 352580), (85, 327692), (122, 228310), (158, 176290), (170, 163846), (244, 114155), (289, 96380), (305, 91324), (316, 88145), (340, 81923), (395, 70516), (578, 48190), (610, 45662), (790, 35258), (1037, 26860), (1156, 24095), (1220, 22831), (1343, 20740), (1445, 19276), (1580, 17629), (2074, 13430), (2686, 10370), (2890, 9638), (4148, 6715), (4819, 5780), (5185, 5372)]