155703460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{4091}}^1$

素因数の和:4284

約数の個数: 48

約数和(自身を含む): 358852032

約数和(自身を除く): 203148572

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 173, 220, 346, 692, 865, 1730, 1903, 3460, 3806, 4091, 7612, 8182, 9515, 16364, 19030, 20455, 38060, 40910, 45001, 81820, 90002, 180004, 225005, 450010, 707743, 900020, 1415486, 2830972, 3538715, 7077430, 7785173, 14154860, 15570346, 31140692, 38925865, 77851730, 155703460]

約数ペア:

[(1, 155703460), (2, 77851730), (4, 38925865), (5, 31140692), (10, 15570346), (11, 14154860), (20, 7785173), (22, 7077430), (44, 3538715), (55, 2830972), (110, 1415486), (173, 900020), (220, 707743), (346, 450010), (692, 225005), (865, 180004), (1730, 90002), (1903, 81820), (3460, 45001), (3806, 40910), (4091, 38060), (7612, 20455), (8182, 19030), (9515, 16364)]