27817790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:442

約数の個数: 96

約数和(自身を含む): 68602464

約数和(自身を除く): 40784674

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 49, 55, 65, 70, 77, 91, 98, 110, 130, 143, 154, 182, 245, 286, 385, 397, 455, 490, 539, 637, 715, 770, 794, 910, 1001, 1078, 1274, 1430, 1985, 2002, 2695, 2779, 3185, 3970, 4367, 5005, 5161, 5390, 5558, 6370, 7007, 8734, 10010, 10322, 13895, 14014, 19453, 21835, 25805, 27790, 30569, 35035, 36127, 38906, 43670, 51610, 56771, 61138, 70070, 72254, 97265, 113542, 152845, 180635, 194530, 213983, 252889, 283855, 305690, 361270, 397397, 427966, 505778, 567710, 794794, 1069915, 1264445, 1986985, 2139830, 2528890, 2781779, 3973970, 5563558, 13908895, 27817790]

約数ペア:

[(1, 27817790), (2, 13908895), (5, 5563558), (7, 3973970), (10, 2781779), (11, 2528890), (13, 2139830), (14, 1986985), (22, 1264445), (26, 1069915), (35, 794794), (49, 567710), (55, 505778), (65, 427966), (70, 397397), (77, 361270), (91, 305690), (98, 283855), (110, 252889), (130, 213983), (143, 194530), (154, 180635), (182, 152845), (245, 113542), (286, 97265), (385, 72254), (397, 70070), (455, 61138), (490, 56771), (539, 51610), (637, 43670), (715, 38906), (770, 36127), (794, 35035), (910, 30569), (1001, 27790), (1078, 25805), (1274, 21835), (1430, 19453), (1985, 14014), (2002, 13895), (2695, 10322), (2779, 10010), (3185, 8734), (3970, 7007), (4367, 6370), (5005, 5558), (5161, 5390)]