27771730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{157}}^1$

素因数の和:216

約数の個数: 72

約数和(自身を含む): 61763148

約数和(自身を除く): 33991418

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 157, 190, 245, 266, 314, 361, 490, 665, 722, 785, 931, 1099, 1330, 1570, 1805, 1862, 2198, 2527, 2983, 3610, 4655, 5054, 5495, 5966, 7693, 9310, 10990, 12635, 14915, 15386, 17689, 20881, 25270, 29830, 35378, 38465, 41762, 56677, 76930, 88445, 104405, 113354, 146167, 176890, 208810, 283385, 292334, 396739, 566770, 730835, 793478, 1461670, 1983695, 2777173, 3967390, 5554346, 13885865, 27771730]

約数ペア:

[(1, 27771730), (2, 13885865), (5, 5554346), (7, 3967390), (10, 2777173), (14, 1983695), (19, 1461670), (35, 793478), (38, 730835), (49, 566770), (70, 396739), (95, 292334), (98, 283385), (133, 208810), (157, 176890), (190, 146167), (245, 113354), (266, 104405), (314, 88445), (361, 76930), (490, 56677), (665, 41762), (722, 38465), (785, 35378), (931, 29830), (1099, 25270), (1330, 20881), (1570, 17689), (1805, 15386), (1862, 14915), (2198, 12635), (2527, 10990), (2983, 9310), (3610, 7693), (4655, 5966), (5054, 5495)]