1098889240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{829}}^1\times {\mathrm{1069}}^1$

素因数の和:1940

約数の個数: 64

約数和(自身を含む): 2557728000

約数和(自身を除く): 1458838760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 829, 1069, 1240, 1658, 2138, 3316, 4145, 4276, 5345, 6632, 8290, 8552, 10690, 16580, 21380, 25699, 33139, 33160, 42760, 51398, 66278, 102796, 128495, 132556, 165695, 205592, 256990, 265112, 331390, 513980, 662780, 886201, 1027960, 1325560, 1772402, 3544804, 4431005, 7089608, 8862010, 17724020, 27472231, 35448040, 54944462, 109888924, 137361155, 219777848, 274722310, 549444620, 1098889240]

約数ペア:

[(1, 1098889240), (2, 549444620), (4, 274722310), (5, 219777848), (8, 137361155), (10, 109888924), (20, 54944462), (31, 35448040), (40, 27472231), (62, 17724020), (124, 8862010), (155, 7089608), (248, 4431005), (310, 3544804), (620, 1772402), (829, 1325560), (1069, 1027960), (1240, 886201), (1658, 662780), (2138, 513980), (3316, 331390), (4145, 265112), (4276, 256990), (5345, 205592), (6632, 165695), (8290, 132556), (8552, 128495), (10690, 102796), (16580, 66278), (21380, 51398), (25699, 42760), (33139, 33160)]