198287800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{52181}}^1$

素因数の和:52216

約数の個数: 48

約数和(自身を含む): 485292600

約数和(自身を除く): 287004800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 52181, 104362, 208724, 260905, 417448, 521810, 991439, 1043620, 1304525, 1982878, 2087240, 2609050, 3965756, 4957195, 5218100, 7931512, 9914390, 10436200, 19828780, 24785975, 39657560, 49571950, 99143900, 198287800]

約数ペア:

[(1, 198287800), (2, 99143900), (4, 49571950), (5, 39657560), (8, 24785975), (10, 19828780), (19, 10436200), (20, 9914390), (25, 7931512), (38, 5218100), (40, 4957195), (50, 3965756), (76, 2609050), (95, 2087240), (100, 1982878), (152, 1304525), (190, 1043620), (200, 991439), (380, 521810), (475, 417448), (760, 260905), (950, 208724), (1900, 104362), (3800, 52181)]