1098889220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{384227}}^1$

素因数の和:384260

約数の個数: 48

約数和(自身を含む): 2711112768

約数和(自身を除く): 1612223548

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 384227, 768454, 1536908, 1921135, 3842270, 4226497, 4994951, 7684540, 8452994, 9989902, 16905988, 19979804, 21132485, 24974755, 42264970, 49949510, 54944461, 84529940, 99899020, 109888922, 219777844, 274722305, 549444610, 1098889220]

約数ペア:

[(1, 1098889220), (2, 549444610), (4, 274722305), (5, 219777844), (10, 109888922), (11, 99899020), (13, 84529940), (20, 54944461), (22, 49949510), (26, 42264970), (44, 24974755), (52, 21132485), (55, 19979804), (65, 16905988), (110, 9989902), (130, 8452994), (143, 7684540), (220, 4994951), (260, 4226497), (286, 3842270), (572, 1921135), (715, 1536908), (1430, 768454), (2860, 384227)]