31688200

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:335

約数の個数: 96

約数和(自身を含む): 80352000

約数和(自身を除く): 48663800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 31, 38, 40, 50, 62, 76, 95, 100, 124, 152, 155, 190, 200, 248, 269, 310, 380, 475, 538, 589, 620, 760, 775, 950, 1076, 1178, 1240, 1345, 1550, 1900, 2152, 2356, 2690, 2945, 3100, 3800, 4712, 5111, 5380, 5890, 6200, 6725, 8339, 10222, 10760, 11780, 13450, 14725, 16678, 20444, 23560, 25555, 26900, 29450, 33356, 40888, 41695, 51110, 53800, 58900, 66712, 83390, 102220, 117800, 127775, 158441, 166780, 204440, 208475, 255550, 316882, 333560, 416950, 511100, 633764, 792205, 833900, 1022200, 1267528, 1584410, 1667800, 3168820, 3961025, 6337640, 7922050, 15844100, 31688200]

約数ペア:

[(1, 31688200), (2, 15844100), (4, 7922050), (5, 6337640), (8, 3961025), (10, 3168820), (19, 1667800), (20, 1584410), (25, 1267528), (31, 1022200), (38, 833900), (40, 792205), (50, 633764), (62, 511100), (76, 416950), (95, 333560), (100, 316882), (124, 255550), (152, 208475), (155, 204440), (190, 166780), (200, 158441), (248, 127775), (269, 117800), (310, 102220), (380, 83390), (475, 66712), (538, 58900), (589, 53800), (620, 51110), (760, 41695), (775, 40888), (950, 33356), (1076, 29450), (1178, 26900), (1240, 25555), (1345, 23560), (1550, 20444), (1900, 16678), (2152, 14725), (2356, 13450), (2690, 11780), (2945, 10760), (3100, 10222), (3800, 8339), (4712, 6725), (5111, 6200), (5380, 5890)]