188486820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1987}}^1$

素因数の和:2050

約数の個数: 144

約数和(自身を含む): 625218048

約数和(自身を除く): 436731228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 31, 34, 36, 45, 51, 60, 62, 68, 85, 90, 93, 102, 124, 153, 155, 170, 180, 186, 204, 255, 279, 306, 310, 340, 372, 465, 510, 527, 558, 612, 620, 765, 930, 1020, 1054, 1116, 1395, 1530, 1581, 1860, 1987, 2108, 2635, 2790, 3060, 3162, 3974, 4743, 5270, 5580, 5961, 6324, 7905, 7948, 9486, 9935, 10540, 11922, 15810, 17883, 18972, 19870, 23715, 23844, 29805, 31620, 33779, 35766, 39740, 47430, 59610, 61597, 67558, 71532, 89415, 94860, 101337, 119220, 123194, 135116, 168895, 178830, 184791, 202674, 246388, 304011, 307985, 337790, 357660, 369582, 405348, 506685, 554373, 608022, 615970, 675580, 739164, 923955, 1013370, 1047149, 1108746, 1216044, 1231940, 1520055, 1847910, 2026740, 2094298, 2217492, 2771865, 3040110, 3141447, 3695820, 4188596, 5235745, 5543730, 6080220, 6282894, 9424341, 10471490, 11087460, 12565788, 15707235, 18848682, 20942980, 31414470, 37697364, 47121705, 62828940, 94243410, 188486820]

約数ペア:

[(1, 188486820), (2, 94243410), (3, 62828940), (4, 47121705), (5, 37697364), (6, 31414470), (9, 20942980), (10, 18848682), (12, 15707235), (15, 12565788), (17, 11087460), (18, 10471490), (20, 9424341), (30, 6282894), (31, 6080220), (34, 5543730), (36, 5235745), (45, 4188596), (51, 3695820), (60, 3141447), (62, 3040110), (68, 2771865), (85, 2217492), (90, 2094298), (93, 2026740), (102, 1847910), (124, 1520055), (153, 1231940), (155, 1216044), (170, 1108746), (180, 1047149), (186, 1013370), (204, 923955), (255, 739164), (279, 675580), (306, 615970), (310, 608022), (340, 554373), (372, 506685), (465, 405348), (510, 369582), (527, 357660), (558, 337790), (612, 307985), (620, 304011), (765, 246388), (930, 202674), (1020, 184791), (1054, 178830), (1116, 168895), (1395, 135116), (1530, 123194), (1581, 119220), (1860, 101337), (1987, 94860), (2108, 89415), (2635, 71532), (2790, 67558), (3060, 61597), (3162, 59610), (3974, 47430), (4743, 39740), (5270, 35766), (5580, 33779), (5961, 31620), (6324, 29805), (7905, 23844), (7948, 23715), (9486, 19870), (9935, 18972), (10540, 17883), (11922, 15810)]