28197860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{797}}^1$

素因数の和:896

約数の個数: 48

約数和(自身を含む): 62339760

約数和(自身を除く): 34141900

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 580, 610, 797, 1220, 1594, 1769, 3188, 3538, 3985, 7076, 7970, 8845, 15940, 17690, 23113, 35380, 46226, 48617, 92452, 97234, 115565, 194468, 231130, 243085, 462260, 486170, 972340, 1409893, 2819786, 5639572, 7049465, 14098930, 28197860]

約数ペア:

[(1, 28197860), (2, 14098930), (4, 7049465), (5, 5639572), (10, 2819786), (20, 1409893), (29, 972340), (58, 486170), (61, 462260), (116, 243085), (122, 231130), (145, 194468), (244, 115565), (290, 97234), (305, 92452), (580, 48617), (610, 46226), (797, 35380), (1220, 23113), (1594, 17690), (1769, 15940), (3188, 8845), (3538, 7970), (3985, 7076)]