221839970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1223}}^1$

素因数の和:1355

約数の個数: 64

約数和(自身を含む): 466373376

約数和(自身を除く): 244533406

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 97, 110, 170, 187, 194, 374, 485, 935, 970, 1067, 1223, 1649, 1870, 2134, 2446, 3298, 5335, 6115, 8245, 10670, 12230, 13453, 16490, 18139, 20791, 26906, 36278, 41582, 67265, 90695, 103955, 118631, 134530, 181390, 207910, 228701, 237262, 457402, 593155, 1143505, 1186310, 1304941, 2016727, 2287010, 2609882, 4033454, 6524705, 10083635, 13049410, 20167270, 22183997, 44367994, 110919985, 221839970]

約数ペア:

[(1, 221839970), (2, 110919985), (5, 44367994), (10, 22183997), (11, 20167270), (17, 13049410), (22, 10083635), (34, 6524705), (55, 4033454), (85, 2609882), (97, 2287010), (110, 2016727), (170, 1304941), (187, 1186310), (194, 1143505), (374, 593155), (485, 457402), (935, 237262), (970, 228701), (1067, 207910), (1223, 181390), (1649, 134530), (1870, 118631), (2134, 103955), (2446, 90695), (3298, 67265), (5335, 41582), (6115, 36278), (8245, 26906), (10670, 20791), (12230, 18139), (13453, 16490)]