2147140220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{439}}^1$

素因数の和:739

約数の個数: 96

約数和(自身を含む): 4858022400

約数和(自身を除く): 2710882180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 211, 244, 305, 380, 422, 439, 610, 844, 878, 1055, 1159, 1220, 1756, 2110, 2195, 2318, 4009, 4220, 4390, 4636, 5795, 8018, 8341, 8780, 11590, 12871, 16036, 16682, 20045, 23180, 25742, 26779, 33364, 40090, 41705, 51484, 53558, 64355, 80180, 83410, 92629, 107116, 128710, 133895, 166820, 185258, 244549, 257420, 267790, 370516, 463145, 489098, 508801, 535580, 926290, 978196, 1017602, 1222745, 1759951, 1852580, 2035204, 2445490, 2544005, 3519902, 4890980, 5088010, 5650369, 7039804, 8799755, 10176020, 11300738, 17599510, 22601476, 28251845, 35199020, 56503690, 107357011, 113007380, 214714022, 429428044, 536785055, 1073570110, 2147140220]

約数ペア:

[(1, 2147140220), (2, 1073570110), (4, 536785055), (5, 429428044), (10, 214714022), (19, 113007380), (20, 107357011), (38, 56503690), (61, 35199020), (76, 28251845), (95, 22601476), (122, 17599510), (190, 11300738), (211, 10176020), (244, 8799755), (305, 7039804), (380, 5650369), (422, 5088010), (439, 4890980), (610, 3519902), (844, 2544005), (878, 2445490), (1055, 2035204), (1159, 1852580), (1220, 1759951), (1756, 1222745), (2110, 1017602), (2195, 978196), (2318, 926290), (4009, 535580), (4220, 508801), (4390, 489098), (4636, 463145), (5795, 370516), (8018, 267790), (8341, 257420), (8780, 244549), (11590, 185258), (12871, 166820), (16036, 133895), (16682, 128710), (20045, 107116), (23180, 92629), (25742, 83410), (26779, 80180), (33364, 64355), (40090, 53558), (41705, 51484)]